Adder venom attacks the blood and nervous system.The venom of an adder bite is less toxic than that of a puff-adder, but it is far more toxic when injected intravenously.

蝰蛇毒素会破坏血液和神经系统，虽然蝰蛇一吻的毒性不如蝮蛇这么恐怖，但如果将毒素注射进皮肤，那毒性就大了去了。

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It shows that mirrored adder is better than carry look ahead adder in arithmetic speed and layout.

结果表明镜像加法器在运算速度、版图布局上都优于超前进位加法器。

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A self-test scheme, under which all test patterns for adder under test in VLSI are produced by the adder self, is presented based on arithmetic additive generator.

基于算术加法测试生成，提出了VLSI中加法器的一种自测试方案：加法器产生自身所需的所有测试矢量。

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The Puff adder, jokes the German geologist, always bites the third geologist.

WSJ: In Geology, Old-Timers Can Be Worth Their Weight in Gold