when necessary的例句大全

Water your watermelons only when necessary, such as during a prolonged dry spell.

只在必要的情况下浇水，例如持久干旱的时候。

In the room air-cleaning facility may when necessary spray the poison gas.

房内的空气净化装置可以在必要时喷射毒气。

When necessary, specialized legal advisory offices may be established with the approval of the Ministry of Justice.

必要时，经司法部批准，可以设立专业性的法律顾问处。

For such a big company, Monsanto is nimble, and able to turn on a dime when necessary.

孟山都尽管规模庞大，却很灵活，同时还能在必要的时候敏捷应变。

2.2.2 Stripping preretinal membrane, unchain the traction, cut the retina when necessary, relief the proliferation under the retina.

2.2剥除视网膜前膜，解除牵引。必要时切开视网膜，去除视网膜下增殖。

One group was asked to seek out an interaction with its waiter; the other, to speak only when necessary ．

一组被要求主动跟服务员互动；另一组只在必要时发言。

The customs may, when necessary, EnSeal the transit goods and the loading device thereof.

海关认为必要时，可以对过境货物及其装载装置加封。

The guest of honor naturally receives the choicest morsels, and is expected to lead the way when necessary.

很自然，贵客要吃最上等的菜肴并且在必要时要首先吃菜。

The auto-matched dynamic filter designed in this paper is able to give a real-time analysis of the spectral characteristics of the echo signal, and adjust the center frequency of dynamic filter when necessary. which achieved the desired requirements.

本文设计的自动匹配的动态滤波器能够实时的分析回波信号的频谱特性，适时调整动态滤波器的中心频率，达到了预期的设计要求。

When you are on vacation abroad, you can use a smart home controller to switch on or off the electricity when necessary.

在国外度假时，你可以按需使用智能家居控制器来打开或关闭电源。

None of us are comfortable with the feeling of being vulnerable, although it seems that the most confident people are those who can allow themselves to be fragile when necessary.

我们谁都不乐意感到自己是脆弱的，可是似乎最自信的人们却是那些有必要的时候让自己脆弱的人们。

Simultaneously, an operative technique of trans-anastomotic duodenal tube and tension suture of fascial space of abdominal wall was applied in 6 cases when necessary.

有6例术中将鼻胃管插入至空肠作为经吻合口的十二指肠支架管，并加作腹壁筋层减张缝合。

In addition, the president may call a special session when necessary.

此外，总统可以在必要时要求召开特别会议。

Inflation credibility has many benefits and the ability to pursue mildly heterodox policy when necessary may prove an important one.

央行在通胀方面的信誉有诸多好处，而在必要时推行适度的非正统政策，可能是其中重要的一种。

This type of exchange between blood centers is a common practice and provides a national pool of blood when necessary.

不同血液中心之间的这种交换是一种惯常的做法，相当于在必要时提供了一个全国性的血库。

We will solicit more financial resources for the Ping Wo fund for these purposes as and when necessary.

如有需要，我们会为平和基金寻求更多财政资源，以供上述用途。

Functions collect control structures, actions and assignments together and can be told to run those pieces of script as and when necessary.

函数包含一系列的控制结构，动作或者赋值，当需要的时候（函数）可以用来运行这些脚本。

Microsoft is always in the hands of holders of its annual expenditure of about equal to the cash as and when necessary.

微软手中通常都会持有约等于其全年开支的现金，以备不时之需。

The time periods in the foregoing paragraph may be extended when necessary.

前项期间于必要时得延长之。

" We found definitive proof that IPA-3 fit into and binds to PAK1's autoregulatory domain, the part of the enzyme where it can, essentially, shut itself off when necessary," Peterson says.

“我们发现确切证据证明IPA-3绑定在PAK1的自我调节域，部分的酶会在需要时关闭自己”彼得森说。