By adding this using directive you are indicating to the compiler that any extension methods in that namespace should be imported.

使用指令你指示编译器在命名空间应该进口任何扩展方法。

youdao

For air fuel ratio signal of a gasoline engine, there exist transmission delay, which affects the control accuracy of air fuel ratio using directive air fuel ratio sensor signals.

车用汽油机空燃比存在传输延迟，直接用于反馈控制影响空燃比的控制精度。

youdao

Antioxidant tris (nonyl phenyl) phosphate was prepared with nonyl phenol and phosphorus trichloride as raw materials, arene as solvent and by using directive esterification method.

以壬基酚和三氯化磷为原料，芳烃为溶剂，采用直接酯化法，可制备三壬基苯基亚磷酸酯。

youdao

My solution would be an SEC directive that prohibits advisers from using backtested returns in any marketing material.

FORBES: Leaky Buckets of Money

The directive - which replaces laws in place since 1986 - would prevent experiments using animals from going ahead without prior authorisation, including an assessment of the ethical implications of the experiment.

BBC: Animal welfare laws

The directive from the US Federal Aviation Administration (FAA) means US airlines can begin using the planes again, provided their battery systems are replaced.

BBC: US lifts Boeing Dreamliner ban