查询词典 difficult point

At some point during your depression you will arrive at a decision making point.

在抑郁中的某个时刻将会出现一个决定性时刻。

Author believes that the next big way to what kind of bottomed out, will not be the specific point which the decision, nor to any point in time for the reference.

笔者认为，下一个大的方式是什么样的见底，会不会是特定点的决定，也不是在任何一点的参考时间。

Especially, this special point becomes a delocalization point when the ratio of effective optical thickness of two single negative materials is one.

特殊的，当两层的有效光程厚度比为1时，该处是一退局域点。

First, it analyzes the change of economic growth of Beijing on the historic point, finds out that now the mode of economic growth of Beijing is as a way of denseness with technique and capital, then puts forward the sticking point of this mode of Beijing.

本章首先从历史的角度分析了北京经济增长方式变化，得出了目前所处的经济增长方式是以资本和技术密集型的增长方式，并且提出这一模式的问题所在；然后分析了北京经济增长和产业变迁的关系；最后本章分析了北京经济增长和产业结构变化与资源环境关系，提出了北京经济增长方式转变的方向。

In fact, we point out that it is true for the density matrix of the nearest point graph.

证明了这个度数条件是三体态可分的必要条件，于是猜想它也是充分条件。

On the basis of method of derivative on the left and the right of separable function,the derivability of separable function on demarcation point was simply distinguished,and derivative continuity on demarcation point discussed.

运用研究分段函数的导函数的左、右极限的方法，简便地判明分段函数在分界点处的可导性；同时讨论了分界点处导数的连续

Mainly point out the system of explanation of the focal point designment

重点的说明了系统设计的要点。

The measurements of the air dew point and the observation methods of the dropping air dew point were given.

提出了气体露点温度的测量方法和气体降露时刻的观测方法，分析了测量方法的科学性，给出了实验分析和实际使用步骤。

One of the halogens, it is a deep red, fuming liquid at ordinary temperatures (freezing point 19 F [-7.2 C]; boiling point 138 F [59 C]) that contains diatomic molecule s (Br2), and it does not occur free in nature.

是一种卤素，深红色，常温下以发烟液体形式存在(熔点︰-7.2℃〔19℉〕。沸点︰59℃〔138℉〕)。溴的液体和气体分子都含有两个原子(Br2)，仅以溴化物形式存在。

This paper investigates topological properties of the general gradient system, and demonstrates by results of differential topology that the boundedness of the general gradient system is equivalent to the boundedness of the potential energy boundary surface. Moreover, a general gradient system is bounded if, and only if the system has both sink point and source point.

该文研究了广义梯度系统的拓扑性质，应用微分拓扑学原理证明，广义梯度系统的完全稳定性与势能界面的有界性是等价的；广义梯度系统完全稳定当且仅当该系统既有渊点又有源点。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。