?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

country rock

un. 围岩;原岩;母岩

1. S of the gold deposit comes from the mantle and country rock.
金矿床的硫具多源性,来自于地幔和围岩。
2. With mining depth increase the country rock stability has also a change.
随着开采深度的增加,深井巷道围岩的稳定性也发生了变化。
3. Taoyuan molybdenum ore belongs to mesothermal hydrothermal vein deposit. Alteration of country rock has linear feature.
桃园钼矿床属中温热液脉型矿床,围岩蚀变具线型对称特征。
4. The gneissic granite intruded the country rock of Taihua Group as sheet is not mixed granite but magmatic granite, its lithology is simple relatively.
片麻状花岗岩岩性相对单调,它以岩席楔入式侵入太华群围岩,是岩浆型而非混合型花岗岩。
5. The results indicated that the field in the stratum is composed of a series of cylinder wave which has the attenuation different from the country rock.
结果表明,层中波场由一系列柱面波组成,其衰减特性与围岩中的规律不同。