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marker meaning in English

n.
1.作记号的人;打分数的人;记分器;划线器;指示器;【无线电】指点标;(撞球等的)记分员。
2.【军事】标靶兵;标兵;标竿;旗标;书签;〔美国〕纪念标,纪念碑;里程碑。
3.(校中专职)点名先生;经常给学生记分数的先生;监猎人。
4.【英军】(轰炸用)照明弹。
5.〔美国〕遗传标记,基因标记。
短语和例子

Examples

  1. Marker beds generally diverge basinward on a regional scale .
    标志层通常区域性地向盆地方向展布。
  2. Hitchhiking effects also play a role in experiments with marker genes .
    附加效应在以标记基因作试验中也是起作用的。
  3. One or more key marker beds were identified for the purpose of leasing and drilling .
    为了租地和钻井的需求,他们对比了一个或更多的关键标志层。
  4. Judicial use of the lithologic time marker makes it possible to identify the type of sandstone body .
    审慎地应用岩性时间标志层,可以鉴定沙岩体的类型。
  5. In both definitions the lithologic-time marker is critical because it represents contemporaneity of deposition .
    在两个定义中,岩石时间标志层是关键的,因为它代表着同时沉积。
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