What is the translation of " ONLY WHEN NEEDED " in Chinese?

• 需要时才
• 仅在需要时
• 只在需要时
• 仅在必要时
• 在必要的时候才

Examples of using Only when needed in English and their translations into Chinese

Double only when needed.
需要的时候才会翻一番吧。

The root account should be used only when needed.
使用root帐户只在需要时。

In IPM, pesticides are used only when needed and in combination with other approaches for more effective, long-term control.
在IPM中，只有在需要时才使用杀虫剂，并与其他更有效、更长期的控制方法结合使用。

They are distributed only when needed.
只有在需要的时候才进行分配。

It is used to execute your code only when needed and it scales automatically, from a few requests per day to thousands per second.
它只在需要时才执行您的代码并自动缩放，从每天几个请求到每秒数千个请求。

That's why I do this only when needed.
这就是为什么他只有在必要的时候才这么做。

It should be noted that under the existing verification framework the Agency sends inspectors to sites and locations only when needed.
在现有的核查框架下，原子能机构仅在需要时派遣视察员前往相关地点。

Asks for help only when needed.
他们只在需要时才寻求帮助。

Diff and illustrates the importance of using the medications only when needed.
差异，并说明只在需要时使用药物的重要性。

Prescribing and dispensing antibiotics only when needed and according to current guidelines.
只有在需要时才根据现行指南开具并提供抗菌药物.

To preserve battery power, activate the WLAN only when needed.
如欲节省电池电量，请仅在需要时启动WLAN。

Prescribing and dispensing antibiotics only when needed and according to current guidelines.
根据目前的指导方针，仅在需要时开药和分配抗生素.

The first is to use antibiotics judiciously and only when needed.
首先，避免滥用抗生素，仅在必要时使用。

AWS Lambda executes our code only when needed and scales automatically, from a few requests per day to thousands per second.
AWSLambda只在需要时执行您的代码并自动缩放，从每天几个请求到每秒数千个请求。

Let others help you(but only when needed).
通过提供建议给别人您的时间（但仅在他们要求时）。

For example, receiving deliveries only when needed, which eliminates administrative costs and management concerns while helping drive efficiencies for all involved.
例如，仅在需要时才接收交付，从而消除了管理成本和管理问题，同时有助于提高所有相关人员的效率。

They are often very silent and speak only when needed.
常常沉默寡言，只在必要时说几句。

The cells of internal organs like the liver and kidney divide only when needed: to replace dead or injured cells.
肝脏和肾脏等内脏器官的细胞只在需要时分裂：取代死亡或受伤的细胞。

It was also suggested that corporations from emerging markets could raise capital on international markets and repatriate their capital only when needed.
有人还建议，新兴市场的公司可在国际市场上筹集资本，而只在需要时才把它们的资本调回本国。

Normally, the body initiates hemostasis and forms a blood clot only when needed, i.e., when there is an injury and bleeding.
通常情况下，体创始止血和形成血块仅在需要时，即，当存在损伤和出血。

Flexibility- use the outsourced bookkeeper only when needed.
灵活--仅在需要时才使用云服务；.

I know him as a person who speaks only when needed.
不像亚该人，他只有在必要的时候才和我说话。

That means they will use more memory only when needed.
这意味着它们只在需要时才会使用更多内存。

That means they will use more memory only when needed.
这意味着他们只在需要时才会使用更多内存。

That means they will use more memory only when needed.
这意味着他们只在需要时才使用更多的内存。

To reduce clutter, some tabs are shown only when needed.
为了减少混乱，某些选项卡仅在需要时才显示。

To reduce clutter, some tabs are shown only when needed.
为减少混乱，某些选项卡只有在需要时才会显示。

Make sure you maximize your codes' effectiveness by using them only when needed.
确保最大限度地利用他们只在需要时您的代码的有效性。