不能变的

The article with the intercept outside aerosphere implement to study a target, consider amount of miss the target is very small approach rate mediumly with intercept process bigger, be aimed at engine to be able to offer constant thrust only, can be started for many times and have pulse job state, and do not have change the character of thrust job status, apply slant buy scale guides brought a law to design agree with the switch threshold value that course controls engine.

本文以大气层外拦截器为探究对象，考虑到脱靶量很小和拦截过程中的接近速度比较大，针对发动机只能提供常推力，能多次启动并具有脉冲工作状态，且不具有变推力工作状态的特性，运用偏置比例导引律设计了适合于轨控发动机的开关阈值。

Do two things that I know I should do even though I really don''t want to do them, to strengthen my soul and not allow it to become lazy and atrophy.

做两件事，我知道我应该做的，即使我真的没有必要去他们想要做的，为了加强自己的灵魂，不能让它变得懒惰和萎缩。

Aluminum nitrate enneahydrate and barium hydroxide octahydrate are considered as potential phase change materials for energy storage.

用热敏电阻作加热元件和测温元件，首次测定了适合用作相变储能材料的九水合硝酸铝、八水合氢氧化钡导热系数的测定在10℃~80℃温度范围的导热系数，其实验值的不准确度分别为2.8%和3.2%。

The mind of the audience is becoming dulled; the benumbed intellectual faculties can no longer respond.

观众的头脑正在变的迟钝；僵化的知识才能不能再引起回应。

In fact, the difficulty is a spring, you are weak it is strong, difficult, or a terrible stumbling block to stop us forward ...... of difficulties, because you are afraid of it and become larger; like me, have difficulties always after the brave attempt to overcome the difficulties to face. Xiao-He composition network

其实，困难就是一个弹簧，你弱它就强，困难还是一只可怕的拦路虎，阻止我们前进……困难是躲不开的，它因为你的害怕而变大；就像我，遇到困难后总能勇敢的去面对尝试克服困难。

Researchers now believe that a constant stream of stress hormones can desensitize the immune system. Basically, it gets used to high levels of stress and doesn't respond to an infection effectively.

现在的研究者认为一种持续分泌的应激激素会使得免疫系统变迟钝，使后者习惯于高水平的压力状况，不能对感染有效应答。

Mr. Qian Zhongshu, a famous schollar, said in an essay "On Aesop's Fables " if the frog had compete with the buffalo for who is smaller, instead of who is bigger, then it would be the buffalo who lost in desperateness.

这个典型的钱氏幽默让我决定不和自己过不去，既然可以篡改"真实"的存在，为什么不能让图象按我的方式变得好看些、有秩序些。

But he would get on and sing this song"I wish that i were married."at the top of his lung and then pull a Dixie cup out from under the windbreaker he always wore and walk up and down the car waiting for contributions.

但他会上来唱这首"我希望我已经结婚了"，并且在唱到最高音的时候从他经久不变的防风外衣里掏出一个装饮料用的纸杯，然后沿着车厢来回走动，希望能得到一些小费。

A novel method based on short time Fourier transform and artificial neural network is proposed.

电力系统中存在大量的时变谐波，传统的检测方法不能对其进行有效的分析。

Oil and other chemicals can kill fish and make water unsafe for drinking polluted water is a hazard to everyone.

石油和其他化学品可以杀死鱼，使水变得不能饮用。被污染的水对每个人都是有害的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。