Ground penetrating radar is a kind of economical and high efficient detection tools in geotechnical engineering and can detect the thickness of sprayed concrete for initial lining,back cavity and compacting status of backfilling for overbreak in tunnel.
探地雷达是岩土工程检测中较为经济、高效的检测工具之一,可以对初衬喷射混凝土的厚度、背后空洞及超挖回填密实情况进行探测。
The geological features of the Houdidong Au deposit, Longjing, Jilin province and its train of thought for ore prospecting;
吉林省龙井市后底洞金矿床地质特征及找矿思路
Tiger Woods tries long putt on the 18th hole,he started on the Back 9.
泰格·伍茨第18洞长打入穴,他是从后9洞开始比赛的。
He went out in 38 and finished with 35 for a score of 73
他在打高尔夫球所得的73分中，前9个洞得38分，最后得35分。
half round
半场(前9穴或后9穴)
Then the man got out of it quickly but the bull stopped,
然后洞里的人跑出洞来。
All the expenses are only for 18 holes. Add to play holes fees(green fee, caddy fee) will be half.
以上费用为18洞价格，加打9洞果岭费、球童费用折半计算。
The first or second9 holes of an18-hole golf course.
一种18洞的高尔夫球场的前九洞或后九洞
The Relationship between Epression of MMP-9 and Presyrinx State of Experimental Syringomyelia in Rabbits;
MMP-9的表达变化与脊髓空洞前状态的关系
Extended 9-intersection model for description of topological relations between regions with holes
能表达带洞区域拓扑关系的扩展9-交集模型
Press 9 and then deal the number .
按下9，然后拨号码。
Later, the cave was named after him.
这石洞，后来人们称为“勾践洞。”
Then he fills the hole.
然后他把洞填上了。
they were wearing through right under the right back pocket,
裤子的右后袋破了个洞，
Detected malice behind the smile.
洞察笑容背后的阴险
There's a hole in the heel of my stocking.
我袜后跟有一个洞。
If you expect danger form the front, face it, do not put yourself at a disadvantage by keep looking over your shoulder
老虎入山洞,顾前不顾后
Transformation of the Japanese-American Alliance: from "Post Cold War" to "Post September 11";
论日美同盟的转变:从“冷战后”到“9·11后”
In a recess in the rocky cliffs behind the cataract is a cave. Lying hidden by the sheets of water cascading down, it is known as the Water Curtain Cave.
大瀑布后面岩壁上，凹处有一洞，洞口为瀑布所掩，故名“水帘洞”。
The ozone hole forms over Antarctica in August and September, when the temperatures are coldest.
南极上空的臭氧洞于8月至9月间天气最冷的时候形成。