It was pointed out that semiconductor laser has advantages such as high power, effective vaporization and simple usage than other types of lasers.

半导体激光器较之其他类型激光器有功率大、汽化效果好、操作简单等优点。

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"we would be forced to buy power that we don't need and idle existing generation or have hydro that is very cost effective -- very cheap,actually -- being replaced by very expensive power."

VOA: standard.2010.03.23

A statement issued by the Vatican after the meeting said he prayed with the men and assured them the Church will continue doing all in its power to investigate allegations, to bring to justice those responsible for abuse and to implement effective measures designed to safeguard young people in the future.

VOA: standard.2010.04.18

If a power is effective only upon your disability, what is a third party supposed to do, bring a judicial proceeding to determine your disability?

FORBES: Estate Planning Overview and Objectives

But since that '06-07 season, when they had Jaromir Jagr and Brendan Shanahan, the Rangers have lacked players with either a fearsome shot or the exceptional creativity necessary to generate scoring opportunities: the individual skills that often make a power play effective.

WSJ: The Rangers' Power Is Out

What would happen is that effective power would shift, automatically, to those with some permanence.

ECONOMIST: By invitation