前三角洲尖灭区, 主要为大面积的尖灭区, 散布着零星的表外储层.
来源:互联网摘选依据陕南秦岭造山带区域地质及重力资料, 按是否露出地表将前寒武纪基底划分为出露基底和隐伏基底两种类型.
来源:网络文摘精选Outbreaks and sporadic human infection with swine influenza have been occasionally reported.
人感染猪流感病毒的暴发和散发病例时有报导.
来源:互联网摘选Though polio has been practically wiped out, there have sporadic cases of the disease.
虽然小儿麻痹症已差不多被消灭, 可是仍有一些零星的病例.
来源:网络文摘精选Have had frequent or sporadic ringing in your ears, especially in one ear.
时常或偶尔耳鸣, 尤其只在一只耳朵.
来源:网络文摘精选Provided the violence is sporadic, people have to carry on with their daily lives.
人们对这些突发的恐怖事件已经习以为常了.
来源:网络文摘精选Apomixes is divided into three types, including sporadic, constant and periodic.
孤雌生殖有偶发性 、 经常性、周期性三种类型.
来源:互联网摘选It'settled back to sporadic, harmless streaming like a simmering kettle.
它又回到老样子, 象一把烧开水的壶似的,不时散发着无害的缕缕蒸汽.
来源:词典精选例句她仅有的收入来自于零星的租赁交易, 这令她不得不经常动用退休储蓄.
来源:网络文摘精选Produced by customer requirements of miscellaneous tools and sporadic cases, tools, etc. annex.
按客户要求生产了工具和零星杂件, 机床附件等等.
来源:网络文摘精选
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