无须的

However the reachability matrix is difficult to get. It is proved that there is no need to calculate the reachability matrix fur a Directed Acyclic Graph.

证明了对于一类特殊的有向图即有向无环图，应用解释结构建模法无须求解可达矩阵亦可保证建模结构化的实现。

For sub-lethal tests, both rosy barbs and amphioxus were exposed to selected concentrations of copper.

亚急性毒性实验中，文昌鱼和玫瑰无须鲃分别用浓度为20%和30%的96h LC50的Cu(上标 2+)处理。

Oropharyngeal cavity of the upper part of the snail-shaped organ on the gill, small eyes, the location on the low side, there is no need and swallow spoon-shaped teeth, the tooth surface smooth.

口咽腔上部有螺形的鳃上器官，眼小，位置偏低，无须，下咽齿勺形，齿面平滑。

It requires only simple, affordable technology to make and works in unmodified, slow-running engines.

生产这种生物柴油所需技术简单且便宜，运转缓慢的发动机无须改进即可使用。

If the dream is about a sea accident and you do not plan to travel by ship or boat, then this is an omen having to do with love affairs.

如果梦想是关于海上事故和您不打算旅行的船舶或坐一条船，然后这是一个征兆，无须与爱事务。

If you can do this then there may be no need to obtain a second opinion.

如果您做到这一点，然后有可能无须获得的第二个意见。

Debtee can but ask for demos court exert the right of subrogation,in pendente lite not have to confirm debtor′s litigate status popularly,the effect of exertion vest in debtee straightly,debtor onus the charge that pay out thereout according to prescribe by law.

债权人只能请求人民法院行使代位权，在诉讼中无须一般地定债务人之诉讼地位，行使之效果直接归属于债务人，由此付出的必要费用直接根据法律规定由债务人负担

And since we didn't have to put on a false front we could laugh about the incident to our heart's content.

由于无须摆出假惺惺的姿态，所以我们可以纵情为这件事放声大笑。

The part I acted in the American revolution is well known, I shall not here repeat it.

我在美国独立战争中所发挥的作用无人不知，在此我无须赘述。

It is no longer possible to conceal the critical situation at the front both in northern China and in Kiangsu and Chekiang Provinces, nor is there any need to do so

华北以至江浙前线的严重危机，现在已经不能掩饰，也无须掩饰了，问题是怎样挽救这个危机。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。