查询词典 must be

Education must be assiduously carried out and this problem can be solved step by step.

必须进行认真教育，以期一步一步解决这个问题。

The equipment may be temperamental; the telescope mounting must be as rigid and controllable as for long-exposure astrophotography.

而且CCD经常变化无常，望远镜的支架必需足够坚固，并且对于长时间曝光要易于操控。

To be able to do this, the muscle must be attached to the bone at an angle.

当一组工作时，另一组就休息。但有时它们也一起工作。

He can't be at home. He must be in the office.

他不可能在家，他肯定在办公室。

For there to be successful communication, there must be attentiveness and involvement in the discussion itself by all present.

年语法 为了达到成功的沟通交流，就必须要求所有的与会人员都得专心听讲，并且积极参与讨论。

A good home theatre system must be made to handle a lot of volume,resolve dialogue appropriately,reveal all other sound-track information and recreate realistically dynamic information without breaking up.The Dul'cets meet all these criteria,with an additional bonus-they can be used in audio-only applications,covering smoothly the audible frequency range.

一个好的家庭影院系统必须可以承受重放很大功率，准确地还原对白，一气呵成的重现所有其他的轨迹讯息，而且真实还原声音的活力动态，杜希Dul'cet符合所有的这些要求，别外还加一上条：他们具有平滑的频率特性，可以被用于重放Hi-Fi音乐。

What conditions must be in place in order for one to be a witness to Auschwitz?

必须有怎样的状况才能使一个人成为奥斯维辛的见证者？

According to this,the reconstruction algorithms such as Linear Back Projection,Filter Back Projection and projection rearrangement method cannot be applied directly and must be improved.

根据这一情况，在医学CT中常用的一些图像重建算法如反投影法、滤波反投影法和投影重排方法都必须加以改进才能引用。

Many influential factors of this method were analyzed. The experimental results indicated: the mole ratio of urea, sodium hypochiorite and sodium hydroxide was controlled within the range of (1.10~1.12):1:(2.30~2.42), the temperature of low temperature reaction must be controlled under 20℃, the high temperature should intensify fast to backset current temperature while reacting and the time for raising temperature only within 5min, and the yield of hydrazine hydrate can be reach about 75.1%.

实验分析了尿素法生产水合肼的各种影响因素，实验表明，尿素、次氯酸钠与氢氧化钠的摩尔比为(1.10~1.12)：1：(2.30~2.42)，低温反应温度控制在20℃以下，高温反应阶段快速升温至回流后反应5min左右时，水合肼收率可达75.1%左右。

Symbol with a special meaning can be matched, but to do so it must be prefixed with the backslash character (this includes the backslash character itself: to match one backslash in the target, the regular expression should include '\\').

数字符有特殊的含义，以经常性的表述。A符号与a特殊的意义可匹配，但这样做必须前缀的反斜杠字符(this包括反斜杠字符本身：匹配一个反斜杠的目标，应该经常表达包括'\\')。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。