不是必要的

Therefore, I couldn't go to the library to get the necessary referential information which was needed for my paper.

因此，我不能去图书馆，以得到必要的参考信息，这是我所需要的文件。

While even teenagers need boundaries, it is important for parents to try to avoid needless remonstrance.

虽然甚至青少年需要界限，重要的是，家长应尽量避免不必要的抗议。

A Rube Goldberg machine is an unnecessarily complex and impractical device to engineered to perform a simple task.

甲鲁比戈德堡机是一个不必要的复杂和不切实际设备设计，以执行一个简单的任务。

Keep in mind that newer lubricants such as White Lightning are self-cleaning, which minimizes mountain bike maintenance.

请记住，新的润滑油，如白色闪电是自动清洗，以减少不必要的山地自行车维修。

The ideal process does not expend energy and time, but accomplishes the necessary effect (in a way that is self-regulating).

理想过程"不消耗任何能量和时间，但却能够完成必要的效能（在某种程度上是自动调节的）。"

All of these laws are designed to spare civilians from unwarranted suffering in armed conflicts.

"所有这些法律的目的是备件平民免受不必要的痛苦，在武装冲突中"。

We should have a sort of respect for rules and principles so universal. Perhaps we should speak of the common ingredient as being of the essence of the transaction into which it entered, and should stigmatise the remaining apparatus of ceremony, which varied in different communities, as adventitious and accidental.

也许我们会认为，这种共同的要素是进行交易所必需的本质，而剩下来的在各个社会中不相同的仪式，则只能被认为是偶然的和非必要的。

Whatever kind of bottle or teat is used, however, it must never be forgotten that cleanliness is absolutely essential to the success of this plan of rearing children.

什么样的奶瓶或乳头是用来不过，我们必须永远不能忘记的说，清洁是绝对必要的要取得成功，这项计划的抚养子女。

Software too often contains interactions that are top-heavy, requiring extra work for users.

软件经常包括一些不必要的具有繁重工作量的交互，对于用户来说，这些是附加工作。

There is no point in worrying unnecessarily if there is a simple, treatable cause for your symptom.

是毫无意义的担心是不必要的，如果有一个简单的，可治疗事业的症状。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。