全文获取类型
收费全文 | 5854篇 |
免费 | 187篇 |
专业分类
各国政治 | 463篇 |
工人农民 | 151篇 |
世界政治 | 628篇 |
外交国际关系 | 365篇 |
法律 | 2449篇 |
中国政治 | 34篇 |
政治理论 | 1877篇 |
综合类 | 74篇 |
出版年
2023年 | 26篇 |
2020年 | 74篇 |
2019年 | 100篇 |
2018年 | 132篇 |
2017年 | 152篇 |
2016年 | 164篇 |
2015年 | 113篇 |
2014年 | 151篇 |
2013年 | 945篇 |
2012年 | 150篇 |
2011年 | 173篇 |
2010年 | 145篇 |
2009年 | 142篇 |
2008年 | 191篇 |
2007年 | 254篇 |
2006年 | 190篇 |
2005年 | 178篇 |
2004年 | 194篇 |
2003年 | 190篇 |
2002年 | 183篇 |
2001年 | 105篇 |
2000年 | 114篇 |
1999年 | 91篇 |
1998年 | 124篇 |
1997年 | 99篇 |
1996年 | 107篇 |
1995年 | 81篇 |
1994年 | 73篇 |
1993年 | 87篇 |
1992年 | 73篇 |
1991年 | 91篇 |
1990年 | 77篇 |
1989年 | 69篇 |
1988年 | 76篇 |
1987年 | 86篇 |
1986年 | 85篇 |
1985年 | 51篇 |
1984年 | 70篇 |
1983年 | 70篇 |
1982年 | 66篇 |
1981年 | 50篇 |
1980年 | 47篇 |
1979年 | 43篇 |
1978年 | 44篇 |
1977年 | 46篇 |
1976年 | 26篇 |
1975年 | 26篇 |
1974年 | 27篇 |
1973年 | 34篇 |
1972年 | 23篇 |
排序方式: 共有6041条查询结果,搜索用时 15 毫秒
281.
The combination of a tradition of arbitrary royal government and popular intolerance, with the existence of extensive, unitary and highly centralized institutions of government, and with the dominance of government by a single, reformist party for more than a half century would seem a potent recipe for governmental abuse of individual and minority group rights. That is especially true in the absence of the formal constitutional safeguards used to preserve rights elsewhere Yet the Nordic democracies have in fact proved exemplary in protecting civil liberties Why? This article challenges the view that Nordic political societies are consensual historically or by nature, and it describes the limited traditional institutional checks on abuse of individual and minority rights by government Instead it finds the basis for the Nordic democracies' excellent record in civil liberties in the combination of (1) the development of new, non-traditional institutional checks on government. (2) the use of direct democracy as a check on parliamentary majorities. (3) the pervasive use of corporatist channels encompassing the major oppositional interest groups to draft and implement legislation, and (4) the effective constraints placed on decisions by parliamentary majorities by the pattern of fierce partisanship in the finely balanced parliamentary party constellation These protections for individual and minority liberties arise primarily from the assumption that basic conflicts of interest are a fact of political life and that they should be institutionalized. 相似文献
282.
There is no shortage of warnings concerning the hazards of excessive ambition in consciously-pursued public policy. In the light of these cautions, this paper considers the appropriate ambitions for policy design. The critics have missed the target. There is no need to fear ambition in policy design, provided that openness in communications about policy is secured. 相似文献
283.
Lotteries, the state fiscal gimmick of the eighties, operate in jurisdictions encompassing substantially more than half the nation's population and enjoy considerable public acceptance. The revenue they generate is small, rarely more than two percent of state general revenue, it is subject to major year-to-year swings, and it is very expensive to generate, particularly when vendor commissions are recognized as part of cost. Furthermore, lotteries bear a high implicit excise tax rate and, because of the pattern of play across income classes, appears to worsen the overall equity of the revenue system. Their economic impact appears to be that of an internal transfer, although states with major lottery equipment suppliers have most to gain, particularly if they do not operate their own lottery. Lotteries are not destined to become mainstays of government finance, although their spread is likely, even with the fiscal questions they raise. 相似文献
284.
Accountability in American government reaches as far back as the Continental Congress and General Washington's army. This tradition of accountability is carried on today by inspector general offices set up in almost every major department of the federal government. Through their audits and investigations, the inspectors general voice concerns over government internal controls, economy, efficiency, and effectiveness. Since 1981 they claim savings from their work totaling $92 billion.
"Some officials handle large sums of public money; it is therefore necessary to have other officials to receive and examine the accounts. These inspectors must administer no funds themselves. Different cities call them examiners, auditors, scrutineers and public advocates." These are the words of Aristotle in 325 B.C. Today, the United States government has its inspectors general to examine, audit, scrutinize, and advocate. 相似文献
"Some officials handle large sums of public money; it is therefore necessary to have other officials to receive and examine the accounts. These inspectors must administer no funds themselves. Different cities call them examiners, auditors, scrutineers and public advocates." These are the words of Aristotle in 325 B.C. Today, the United States government has its inspectors general to examine, audit, scrutinize, and advocate. 相似文献
285.
286.
287.
288.
East Asian governments have engaged in unprecedented collaborationon trade and financial matters since the economic crises of1997. For some observers, such activity, building on a new senseof shared identity forged by resentment at Western responsesto the crises, is a significant step towards the formation ofan East Asian economic bloc. In reality, the new collaborationhas produced only modest results. Neither an East Asian preferentialtrade agreement nor an Asian Monetary Fund is likely to materialize.Underlying power realities and fundamental economic interestsare unchanged. The new interest in negotiating preferentialtrade agreements (many of which are with countries outside ofEast Asia) is best explained by government perceptions of theeffectiveness of such arrangements elsewhere in the global economy,and by a desire to increase bargaining power. 相似文献
289.
With increasing frequency, relatively small, fragmentary evidence thought to be osseous or dental tissue of human origin is submitted to the forensic laboratory for DNA analysis with the request for positive identification. Prior to performing DNA analysis, however, it is prudent to first perform a presumptive test or "screen" to determine whether the questioned material may be eliminated from further consideration. When material is shown not to be consistent with bone/teeth, DNA testing is not performed. When such determinations cannot be made from gross morphological features, elemental analysis can be indicative. This presumptive test is made possible by applying scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS) in conjunction with an X-ray spectral database recently developed by the FBI laboratory. This database includes spectra for many different materials including known examples of bone and tooth from many different contexts and representing the full range of taphonomic conditions. Results of SEM/EDS analysis of evidence can be compared to these standards to determine if they are consistent with bone and/or tooth and, if not, then what the material might represent. Analysis suggests that although the proportions and amounts of calcium and phosphorus are particularly important in differentiating bone and tooth from other materials, other minor differences in spectral profile can also provide significant discrimination. Analysis enables bone and tooth to be successfully distinguished from other materials in most cases. Exceptions appear to be ivory, mineral apatite, and perhaps some types of corals. 相似文献
290.
Evaluation of laser desorption mass spectrometry and UV accelerated aging of dyes on paper as tools for the evaluation of a questioned document 总被引:1,自引:0,他引:1
Laser desorption mass spectrometry (LDMS) may be used for the detection and identification of dyes found in inks. Naturally-aged and artificially-aged blue and black ballpoint pen inks containing the cationic dye methyl violet were analyzed on paper. The average molecular weight of the dye sample was calculated from LD mass spectral data and plotted versus time. The resulting aging curves demonstrate that, as dye degradation increases, the average molecular weight of the dye decreases. Typical variables involved in ink aging, such as the type of paper and ink formulation, were investigated. Results show that these variables influence the rate of dye degradation. Furthermore, UV accelerated aging has been developed and tested as an alternative to thermal approaches. 相似文献