In key effects, the key cut signal is used to specify where to cut a hole in the background that will be filled with the key fill video.

在键效果中，键切割信号被用来指定将背景图像中哪里抠出一个空洞并被键填充信号填充。

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One tool, map Maker, has proved a particular hit with web users, allowing residents in the Indian city of Chennai to fill out a blank map of the area with key roads, streets and points of interest.

一个地图制作工具，已证明对网络用户的影响比较大，它允许在印度钦奈市的居民在空白的地图上填写那个地区的主要道路、街道和有趣的地方。

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Core Technology grants totaling $4 million intend to fill in key technology gaps and expand the knowledge base.

核心技术资助达4百万美元，用于解决技术漏洞以及扩大知识库。

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Dr.Louis Sullivan says minority health care professionals fill a key role in serving ethnic communities.

VOA: standard.2010.03.05

They do not recruit enemy sympathizers to fill key governmental policy positions.

CENTERFORSECURITYPOLICY: Oppose Brennan for CIA Director

Shiite Prime Minister Nuri al-Maliki has struggled to forge a power-sharing agreement and has yet to fill key Cabinet positions, including the ministers of defense, interior and national security, while his backers have shown signs of wobbling support.

CNN: Militants clash with security forces in Iraq

Shiite Prime Minister Nuri al-Maliki has struggled to forge a lasting power-sharing agreement and has yet to fill key Cabinet positions, including the ministers of defense, interior and national security, while his backers have also shown signs of wobbling support.

CNN: Iraq bombs kill 25 people as Muslims celebrate Ramadan