It is similar in form of technique action between volleyball and beach volleyball, but it is very different in application of technique and tactic, which leads to more differences between them.

沙滩排球与室内排球虽然技术动作的表现形式相似，但两者在技战术运用上的不同决定了它们之间存在很大的差异。

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This form of adaptation is a tactic that other harmful organisms use to ensure their survival: every time a virus or bacterium kills its host, it reduces its chance of replicating.

每当一种病毒或者细菌杀死了它的宿主，它就减少了自己繁殖的机会。

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The tactic has existed in some form for decades, but the volume of stops increased dramatically under Mayor Michael Bloomberg and about 5 million stop and frisks have been made during the past decade.

WSJ: NYPD street stop policy's critics seek big changes