方向聚焦

目前，该领域的主要研究方向聚焦于金融发展和合约实施这两个制度因素，对一国国际贸易比较优势来源、贸易结构和贸易利益分配所具有的影响效应和作用机制。

At present , the field mainly focuses on the influences of financial development and contract enforcement on the sources of comparative advantage , trade pattern and distribution of trade benefit .

双聚焦质谱仪是由实现方向聚焦功能的磁场分析器和实现能量聚焦功能的静电场分析器构成的质谱测量仪器。

Double focusing mass spectrometer is the mass spectrometer which have functions on the focus of the direction and energy , it consists of a magnetic analyzer and an electrostatic field analyzer .

坚持共建共治共享方向，聚焦影响国家安全、社会安定、人民安宁的突出问题，全面提升平安中国建设科学化、社会化、法治化、智能化水平。

We should focus on prominent problems affecting national security , social stability and people 's tranquility on the basis of pursuing collaboration and common interests . Efforts should be made to make the implementation of the initiative more scientific , and raise its levels of public participation , rule of law and intelligence .

在此背景下，理论界和实践界都认识到，相关改革的方向应逐渐聚焦于食品安全规制主体的多元化与行政监管体制的优化。

The theorists and the practice realizes that progressive direction of the reform should be focused on food safety regulation and the diversification of the main system .

同步辐射是生物大分子研究中所使用的重要方法，本文讨论的准直镜和聚焦镜系统是生物大分子光束线中的重要装置，其作用是改变X射线的方向并使其聚焦。

The synchronal radiation technology is the important method in the study of biological molecule . The collimation and focus systems discussed in this paper are the important components of the synchronal radiation equipment which can change the direction of X ray and focus it .

采用横向应用形式的GRIN棒透镜组对LD-Bars光束在快轴方向进行准直和聚焦，设计了适合于双包层波导激光器的耦合系统。

A coupling system which a set of GRIN rod lenses laid along transverse direction are used to collimate and focus the light emited from LD-Bars into the double-cladding waveguide laser is designed .

激光介质的热效应对激光的光束质量有着严重的影响，板条激光介质可以利用Zig-Zag光路周期性穿越温度梯度方向以减小热聚焦及应力双折射效应。

Thermal effects of laser medium have a serious effect on laser beam quality , slab laser medium can reduce the thermal focusing and stress birefringence effect by the light going through temperature gradient direction with a Zig-Zag optical path periodically .