...用,要患上音品变化更多,也越发桀,更有些乐队受 punk rock的影响,衍娩出了急流金属( thrash metal) 或者是速率金属(speed metal),而凡是这种乐队对反核,反污染,甚或者反崇拜金钱主义都有很深切的切磋,可是往往因为措词太直接而诱致一些“社会形态卫羽士“假道...
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计时器的工作原理类似于恒温器，当温度变化时，两种不同金属以不同速率缩小或膨胀。
The timer worked like a thermostat, on the principle that two different kinds of metal will expand and contract at different rates when their temperature changes.
由于焊接金属与非焊接金属的腐蚀速率会不同，所以有必要研究两种情况。
Corrosion rates can vary between welded and non-welded metals, therefore it is advisable to study the behavior of both conditions.
一片放在阳光下的金属，其温度要上升到它吸收热量和失去热量的速率相等时才停止。
A piece of metal left in the sun rises in temperature until it loses heat at the same rate while it absorbs heat.
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