Derive from IPrimeEvents, implement the handler functions, then call Register.

从IPrimeEvents派生，实现处理器函数，然后调用Register。

youdao

Derive the mock class from the interface.

从接口派生出mock类。

youdao

Again, to keep the test simple, you can derive each page from a common template page.

同样，为简单起见，您可以从一个公共模板页派生每个页面。

youdao

At first the oddly delightful sensibility of "The Hammer" seems to derive from stand-up comedy -- lots of free-form riffs on topics ranging from toggle bolts to the La Brea tar pits.

WSJ: Performance Lifts 'Same Moon'

The marketing prowess of many leading non-profits tends to derive from the fact that, unlike most for-profits, they have to persuade people to part with money for goods or services that are used by others.

ECONOMIST: Schumpeter

Another 35% of sales derive from high-voltage integrated circuits that go into ultrasound imaging equipment made by General Electric, Philips and Siemens.

FORBES: Magazine Article