A null return value implies all active slices, while an empty array will raise an exception.

空返回值意味着所有片都是活动的，而空数组则会引发一个异常。

youdao

The marketplace is also being driven by the growth of active electronically scanned array (AESA) technology.

电子扫描阵列（AESA）技术的增长也带动了该市场的增长。

youdao

The technology will allow for the first time the same active array to be used for the radar and countermeasures."It

该技术将首次允许雷达和对抗使用同一有源阵列。

youdao

Fermi has been a tremendous success at examining some of the most high-energy processes in the cosmos, publishing a catalogue filled with details of the spinning neutron stars known as pulsars, and a wide array of "active galactic nuclei" - probably supermassive black holes.

BBC: Fermi telescope may change to dark matter hunting

The active speakers harness an array of high-end components to deliver expansive audio performance from very compact constructions.

ENGADGET: Bang & Olufsen launches BeoLab 15 in-wall speakers for stealthier beats (update: ears-on)

Third, special situations funds are active in a broad array of debt financing and other investments in distressed or rapidly changing companies.

FORBES: Who's Afraid of Private Equity?