What is the translation of " WHEN IT NEEDS " in Chinese?

• 时候需要
• 需要时
• 何时需要

Examples of using When it needs in English and their translations into Chinese

When it needs to be secure.
当您需要确保安全时.

How to tell when it needs more water?
那怎么知道它何时需要浇水?

And it will start automatically when it needs to.
需要时它将自动启动。

Most of us know when it needs detoxification.
我们大多数人都知道什么时候需要排毒。

A DNN will model complex non-linear relationships when it needs to.
当需要时，DNN将建模复杂的非线性关系。

For example, when it needs to, it can draw energy from the batteries to accelerate the car.
例如，当它需要，它可以从电池的能量，加速了汽车。

So it can slow down when it needs to.
当有需要时，他能放慢节奏。

You can pass in bytestrings when creating a model or populating a field, and Django will convert it to Unicode when it needs to.
您可以在创建模型或填充字段时传递bytestrings，Django会在需要时将其转换为Unicode。

Right now, the tech in these devices doesn't know when it needs to sync data with the network.
现在，研发这些设备的技术人员不知道何时需要与网络同步数据。

This means that every frame is a DE frame, and the network will throw any frame away when it needs to.
零CIR意味着每个帧都是DE帧，因此网络在需要时可丢弃任何帧。

How the air filter works and when it needs to be serviced or replaced can be identified as follows:.
汽车空气滤清器的工作状况如何，何时需要保养或更换，可按下述方法进行鉴别：.

You decide when the story needs to speed up and when it needs to slow down.
你决定故事什么时候需要加速，什么时候需要减速。

The show is appropriately serious when it needs to be, and it's also fill with many fun, lighter moments,” said Roberts.
该节目在需要的时候非常严肃，并且还充满了许多有趣，轻松的时刻，“罗伯茨补充道。

A bridge equipped with the right sensors can tell engineers when it needs to be serviced.
一座安装了合适传感器的大桥，将能够告诉工程师自己何时需要维护。

He says the company has pivoted when it needs to:''We're continuing to learn, so our offerings change as we learn.''.
他说，公司已经在需要的时候转变了方向：“我们在不断学习，所以我们的产品会随着学习而改变。

I would be quite happy to meet with him to explain why we pray and when it needs to be done.”.
我很乐意与他会面解释为什么我们祈祷以及什么时候需要完成.

He says the company has pivoted when it needs to:''We're continuing to learn, so our offerings change as we learn.''.
他说，公司已经在需要的时候进行了调整：“我们正在继续学习，因此，我们的产品会随着我们的学习而改变。

This solution is easy to implement but how does the child widget know when it needs to rebuild?
这个解决方案很容易实现，但子widget如何知道它何时需要重建呢？?

This means neuromorphic chips are event-driven, and operates only when it needs to, resulting in a better operating environment and lower energy consumption.
这意味着神经形态芯片是事件驱动的，并且只有在需要的时候才会运作，这就导致了一个更好的运行环境以及更低的能耗。

Our remote monitoring customers know how their equipment is doing and when it needs maintenance.
我们的客户通过远程监测可以了解他们的设备运转如何，也知晓设备何时需要维护。

What that would mean is that the brain grabs more information and renders more detail when it needs to.
这就意味着，如果大脑获取了更多的信息，那么就会在需要时呈现出更多的细节。

Topic Name: A UTF-8 string which can also contain forward slashes when it needs to be hierarchically structured.
TopicName：由UTF-8字符串组成，当需要分层结构时，可以使用斜杠。

It has an all-wheel-drive system that doubles as a truck four-wheel drive setup when it needs to.
它采用的全轮驱动系统在需要时可以兼作卡车的四轮驱动设置。

She had a genius for knowing when a cough is a thing to have no patience with and when it needs stocking round your throat.
她很有天赋，知道什么时候咳嗽是不耐烦的事，什么时候需要用袜子围住你的喉咙。

In most fonts this would be the wrong thing to do, and I don't know how I could tell when it needs to be done….
在大多数字体中，这将是错误的事情，我不知道:我怎么能告诉什么时候需要做…….

The ideal search engine is a conversational partner that knows when an answer is sufficient and when it needs to ask the user for clarification.
理想的搜索引擎是一个会话伙伴，它知道什么时候答案对用户来说已经足够，什么时候需要用户进一步的说明。

Because lists provide structure, they reduce anxiety- you know exactly what to do and when it needs to be done.
因为列表提供了结构，它们减少了焦虑--你确切地知道该做什么，什么时候需要做。

This allows a function that has been called with a lazy argument to behave lazily itself, only being evaluated when it needs to be.
这允许一个懒惰的参数被调用的函数本身懒惰地行为，只有当它需要被评估。

Many mobile robots have a built-in balance system(a collection of gyroscopes, for example) that tells the computer when it needs to correct its movements.
许多移动型机器人都有一个内置平衡系统（如一组陀螺仪），该系统会告诉计算机何时需要校正机器人的动作。