英语单词pre-exist是什么意思?pre-exist怎么读?pre-exist怎么发音?英语网为您整理了pre-exist的解释、用法、例句、词组等相关学习资料。下面跟小编一起来看看吧！
pre-exist怎么读
pre-exist的读音:[pri:iɡˈzist]
pre-exist的意思
1、v.先于…而存在;
pre-exist的相关词组
1、exist on 靠…生活;
2、exist by 靠…生活;
3、exist everywhere 满天飞;无处不在;
4、not exist 不存在;没有;空号
pre-exist的近义词
1、antecede v.先前，先行;
2、antedate vt.（在历史上）比…为早;先于;早于;（在信、支票等上）填写比实际日期早的日期;
3、forerun vt.为…的先驱;胜过;预示;走在…之前;
4、go before 时间上居先;
5、precede vt.& vi.在…之前发生或出现，先于;在…之上，优于;给…作序;处于…前面的位置;
pre-exist的双语例句
1、The pre-exist amphibolite facies rocks in the fracture belt have been superimposed by retrograde green-schist facies with neoformation of chlorite, anthophyllite, sericite and cordierite.
断裂破碎带岩石在先存的五台期角闪岩相变质岩之上，叠加了绿片岩相动力退变质作用，普遍出现绿泥石、直闪石、绢云母、堇青石等新生的变质矿物。
2、Did this condition pre-exist?
这种情形先前存在 吗 ?
3、The result showed that: ( 1) the subjects with the computer-based illustrating tool scored higher significantly than the subjects with pre-exist illustration;
结果表明，（1）基于计算机的插图工具下的测验得分显著高于预置插图；
4、The average discharge field intensity of pre-exist DC voltage superimposed with switching impulse voltage increases with increasing DC composition and rod-plane was more influenced than soft line.
预先存在的直流电压对直流叠加操作冲击电压放电特性有一定影响，即直流叠加操作冲击放电的平均击穿场强随直流电压成分增大而增大，且棒-板间隙受影响程度大于软母线相地间隙。
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