效率高的

The implication is that given a specific risk level, the expected return of a portfolio should be relative higher in an expansion cycle compared to that of the other various cycles.

而效率前缘在景气扩张期较全循环期呈现往左上方偏移，显示景气扩张期的投资组合，在同一风险下可获得更高的预期报酬。

Computer optical element based on light-wave diffraction theory is through that etches on film base to produce relievo structure with two or multiple sidestep depths , and form pure phase and coaxial recurrence , so it has higher diffraction efficiency .

计算机光学元件基于光波衍射理论，通过在片基上刻蚀产生两个或多个台阶深度的浮雕结构，形成纯相位并同轴再现，使其具有极高的衍射效率。

A novel single-stage power factor correction circuit based on flyback converter is presented in this paper,.A single active switch is used to achieve a fast-regulated-output voltage, the reservoir capacitor voltage is clamped and efficiency is high.

本文提出了一种基于反激变换器的新型单相功率因数校正电路，电路只用一个有源开关就可以获得输出电压的快速调节，储能电容电压被箝位、效率高。

Selection of response surface method with highly accurate and efficient approximation is greatly important in its application.

工程应用中选用拟合精度和拟合效率较高的响应面建模方法是其应用的关键。

Snowmelt Spreading vehicle can be used for spreading of snow removing agent on road surface .The vehicle has the characters of easy operation ,high working efficiency and it can avoid the bloks ,by itself ,and then restore .It is applicable to high-grade roads ,urban roads ,airport ,and the square ,square ,scenic roads .

NJJ5241TCS 融雪撒布车主要用于清除路面积雪，可根据用户的不同需求与各类车型配套，具有操作简单，工作效率高、具备避障功能等特点，除雪铲具有避障还原功能，是公路养护理想的除雪配置。

Its most advantage is: it is suitable for any complex geology structure, the"iterative"ray tracing method is based on Fermat"minimum travel time principle", it uses Taylor expansion and finds the solution segmentally and iteratively, then modifies the initial ray path.

迭代射线追踪方法是根据Fermat最小旅行时原理，应用Taylor展开，分段迭代求解，再逐次修改初始射线路径，完成全射线路径的迭代求解过程，其最大优点是计算的速度快，追踪射线效率高。

The process has the advantages of simple process, high efficiency, low cost and good stability, and conveniently and stably guarantees the preparation process of copper indium selenide absorption layer films.

本发明具有工艺简便，效率高，成本低，稳定性好等优点，为制备铜铟硒吸收层薄膜的制备工艺提供了便捷和稳定的保证。

This will increase self confidence and allow you to contribute with maximum efficiency.

这将提高你的自信并且让以更高的效率贡献更多。

Liquid membrane separation technology has exhibited an excellent character on separating and enriching metal ions and organic contaminations in the wastewater due to their fast mass transport, great selectivity, high separation efficiency, convenient processes and easy automatization.

液膜分离技术具有传质速度快、选择性好、分离效率高、操作简便和易于实现自动化等特点，在分离和富集废水中的金属离子和有机污染物方面，展示了优良的性能。

With the simple application circuit and high efficiency,it is suitable for the RCC power supply.

简洁的方案和较高的效率适合于RCC电路。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！