查询词典 conservation

1The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University,

1北京林业大学省部共建森林培育与保护教育部重点实验室；2国家林业局经济发展研究中心；3浙江省临安市昌化国营林场

College of Resources and Environment, Beijing Forest University,The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing P.

北京林业大学资源与环境学院，北京林业大学省部共建森林培育与保护教育部重点实验室，国家林业局干旱半干旱地区森林培育及生态系统研究重点开放性实验室，北京，100083

Using mechanical energy conservation law,the simple pendulum period is analyzed and its exact formula is given.

利用三角函数作为一种近似方法，对单摆的动力学方程进行了简化，给出了大角度条件下单摆运动的周期的近似公式。

So it does not need to solve simultaneous equations of energy and momentum conservation through point-by-point computation.

另外，周期极化晶体的极化周期不可避免地较理想值有一定的偏移，且具有不均匀性，给出了利用实验获得的温度调谐曲线，对极化周期进行修正计算的方法。

Slack season should make the necessary pump conservation, to extend its service life and ensure that the peak normal use

农闲季节，应对潜水泵做好必要的养护，以延长其使用寿命和确保忙时正常使用

Using Lyapunov and LMI methods, robust control and robust filtering problems of 2-D Roesser model with polytopic uncertainties have been solved. The slack variable technique was used in the results to reduce the conservation.

本文采用线性矩阵不等式、矩阵分析等工具，通过lyapunov方法，解决了具有多胞型不确定性的2-D Roesser模型的鲁棒控制、鲁棒滤波问题，并且在结果中运用松弛变量技术，使得解的保守性降低。

A general formula for three dimensional refraction of progressive gravity water waves has been derived using the conservation of waves, which has a form the same as that derived using Fermat's principle in optics. For the case of gentle sloping plane beach the formula can be degenerated into the famous Snell's law.

三度空间中前进波浪的折射现象，已依波浪守衡性的本质简明地导述出其主控的通式，且与由较繁冗的光学之Fermat原则所得者完全一致；而最简单的均匀缓坡度底床的特例情况则退化成Snell定律者。

Snub-nosed monkey added to our great joy of nature, let us act to protect golden monkey, nature conservation.

金丝猴为我们的大自然增加了无限欢乐，让我们行动起来保护金丝猴，保护大自然。

In chapter one, the meaning of inverse study and the necessity of introducing control theory to the study has been expounded. And from the viewpoint of energy conservation, a literature review has been made on thermal operation of continuous reheating furnaces, soaking pit and hot—blast stove.

至今为止，在研究物料加热过程节能的方法中，没有哪一种方法能够同时解决连续式炉和间歇式炉的操作优化问题。

The electron ballast device of high voltage sodium lamp is a kind of product with high conservation effective、 and green environment protection, which has the characteristics of high reliability and protection function in abnormal state.

高压钠灯电子镇流器是一种高效节能、绿色环保型产品，具有高可靠性，异常状态保护等特点。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。