How is the Hack language's type system defined?

黑客语言类型系统是如何定义的？

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The component interaction of the system defined by this architecture is illustrated in Figure 4.

这个架构定义的系统的组件交互在 图 4 中展示。

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Special purpose registers are system defined, and the registers listed in the screenshot are specific to AIX.

特定目的的注册器是系统定义的，屏幕界面中所列出的注册器是针对AIX的。

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A "tornado outbreak" is often defined as six or more tornadoes produced by the same weather system within a day.

VOA: special.2010.05.11

It's just minus the sum of all these things, because of course these are just defined as the work done by the environment to the system.

等于负的这些东西的和，因为它们的定义是,环境对系统所做的功。

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But the corporate tax system is defined as applying where your one EU base is, not where the customers are.

FORBES: Facebook, Apple, Google, Amazon: Why Cannot France Understand That They Already Do Pay Taxes?

Watching his colleagues leave, Lavender has become an even louder and more passionate defender of the chaotic open outcry system that defined securities trading around the world for most of the past two centuries.

FORBES: Last Call

"Off-the-shelf" software will be tested to ensure that it meets core financial system requirements as defined in the Core Financial System Requirements document published by JFMIP.

WHITEHOUSE: Circular No. A-127 -- Transmittal Memorandum No. 2 (Financial Management Systems) | The White House