Instead, leptin's role is to prevent weight loss, and a drop in leptin levels sends the body into survival mode when food is scarce and fat stores decline.

但实际上，瘦素的作用是阻止体重下降，瘦素水平的下降会使人体进入生存模式，这是人体应对食物匮乏、脂肪储存下降的不利状况的运转模式。

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But as prices drop, these applications could play a bigger role.

但是随着价格的下降，这些应用将会有更大的影响。

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This same technique might be used to execute a DROP TABLE statement or to execute a system stored procedure that created a new user account and added that user to the sysadmin role.

这一技术可能会被用来执行DROP table语句，或执行创建新用户帐户并将该用户添加到sysadmin角色的系统存储过程。

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The former chancellor also had advice for the current occupant of No 11 Downing Street, urging him to drop his secondary role as the Conservatives' chief political and election strategist.

BBC: David Cameron 'should learn from Thatcher not Blair'

"We won't let our heads drop - France will still play a key role in this World Cup, " said Laporte.

BBC: Laporte defiant after shock loss

The drop was caused in large part by her role in the ImClone Systems (nasdaq: IMCL - news - people ) scandal.

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