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Autocollimator is a kind of instrument for precise angle measuring, it is predominant in the field of multidimensional and non-contact measurement of tiny angle. It works with the principle of autocollimating and been used in a lot of fields, such as linearity and flatness of precise flat.

中文摘要自准直仪是一种精密角度测量仪器，在实现小角度的多维、非接触测量中具有独特的优点，它利用光学自准直成像的原理来实现在一定范围内测量物体的角度变化量，被广泛应用于导轨平台的直线度、精密平台的平面度等测量领域。

In 1981, the Feminist Press reprinted Brown Girl, Brownstones, and it attracted more attention than before in the field of literary criticism. In the novel, Paule Marshall relates the story of a ten-year-old Barbadian black girl, Selina Boyce, who is a descendent of African immigrants, on the basis of her own life experiences.

波·马歇尔在小说中以自己生活经历为基础，讲述了一位有着非洲黑人血统的巴巴多斯女孩—赛丽娜·博依斯，从童年到成人的心路历程。

And it is a hot topic in the field of bark beetle ecology research in recent years.

也是近年来小蠹虫生态学研究的一个热门话题。

The Theory of Multiple Intelligences is being widely researched and practiced in the field of basic education in China.

多元智能理论被我国的基础教育界广泛研究和实践。

Electrical discharge machining as a nontraditional machining method can machining any kind of electrical conductive material by pulsed discharge process which erodes electrode materials. Because of its processing quality independence of part shape and material mechanical properties such as hardness, strength and toughness, EDM becomes one kind of basilic machining means and is playing an important role in the field of modern manufacturing, especially in mould manufacturing industry.

电火花加工技术通过放电蚀除材料，实现对任意导电性材料加工，而不受材料硬度、强度、韧性等力学性能及形状的限制，成为制造技术领域中重要的加工手段，在现代制造领域，特别是模具制造领域占据着重要的地位。

Functional maladjustment of higher education will do harm to all sectors of society: in the field of higher teaching, it will lead to the belittlement of students' development, the decline in the quality of talent, students' lacking of the sense of independence and criticism, and then the destruction of students' whole image and crisis of their development; in academic circles, it will result into the decline of morals, anomie of learning and deterioration of academic environment; in social sphere, it will cause rampancy of utilitarianism, loss of humanities, unequal social distribution, blocked social flow, and then limited level of development due to the shortage of developing motivation.

针对当前情况，本文认为应该从社会、政府和高等教育三者入手进行功能调适，即调节社会需求，扩大社会参与；协调政府与高等学校的关系，进行合理分权、健全宏观调控、优化资源配置；从观念、行动、资源、结构、体制、机制等方面加大高教系统自身建设，从而实现高等教育功能的优化与调适。

In Chapter 1 is reviewed the present situation of HIV/AIDS epidemic in China, the problems of existng HIV/AIDS prevention policy, and the discussion of some of them from ethical perspective in the field of bioethics.

第一章考察了艾滋病和艾滋病病毒感染在中国蔓延的现状，目前预防艾滋病和艾滋病病毒感染政策中的问题，以及生命伦理学领域对这些问题的讨论。

With the high sensitivity of biomarker assays,the exposure levels and its biological effect in population exposed to low level carcinogens for a long time can be more directly measured,and the dose-effect relationship between biomarkers and a specific risk can be more accurately descripted The study on biomarker,which still stayed in primary stage,presented good prospect in the field of risk assessment on environmental health In this review,data are summarized on the role of biomarkers that are used for...

利用生物标志物高灵敏的特性，可以直接测量人群长期低剂量的暴露水平及其效应水平，能够较准确地估计生物标志物水平与特定危险性之间的关系，这方面的研究尚属起步阶段，但在环境健康危险度评价中具有很好的发展前景。对生物标志物的选择，其在低剂量致癌物暴露危险度评价中的作用，评价方法或途径及存在的问题进行了总结。

As a specialist in the field of biostatistics, there are many opportunities to work in a medical research job or to be part of a team that is conducting epidemiological disease studies.

生物统计领域的专家，有很多在工作或医学研究，作为一个团队的合作机会，或者是疾病流行病学研究的一部分。

This study provides a new method for analysis of genetic structure in biotic survival traits, and has important significance in the field of Biology.

为以后研究生物生存性状遗传结构提供了新的方法依据，同时也具有重要的生物学意义。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。