挖隧道

Tunnels were then dug in all directions to reach the richest veins of pay dirt.

然后朝四面八方挖些隧道，连接含金量最高的矿脉。

Compared to the previous software with CSPM-930a STM, the STM images gotten by my software have less drift and are more directly related to their real dimensions and geometry. The UHV-STM has been used to fabricate atomic-scale grooves by extracting the Si atoms from the Si (111)-7×7 surfaces and redeposit them to form ridges at predetermined surface sites.

利用超高真空扫描隧道显微镜，用W针尖对样品Si（111）-7×7表面的原子进行操纵，成功地在样品表面挖出了具有原子级平直边界的沟槽，并首次在样品表面布出了连续的具有一定形状的凸起的线，首次确认在样品表面布出的凸起的线是由Si原子组成的，并首次用场强梯度诱导扩散理论对针尖在样品表面的布线过程和机理进行了解释。

The rock was caverned out to make a tunnel.

挖出岩石造隧道。

The rock was caverned out to make a tunnel.

挖空岩石造隧道。

According to the threedimensional coordinates of any point on the working face measured by total station, CASIO measurement program can exactly work out the overbreak and underbreak volume of any point on the working face.

采用普通全站仪，可以测得隧道掌子面上任意点的三维坐标，然后通过手持CASIO计算器测量程序计算，即可精确算得此点相对该里程设计断面的超欠挖值。

They tunnelled for weeks before they reached the other side of the hill.

他们挖了几个星期的隧道，才通到小山的另一边。

When miners tunneled toward the gym, they used a cutting torch that accidentally ignited the barrier. Choking smoke filled the tunnel.

当矿工们挖通向健身房的地道时，他们用的挖掘火把不小心点燃了障碍物，呛人的烟雾弥漫了隧道。

An African melon has a mouth-watering method of convincing aardvarks to go to the trouble of tunneling deep into the earth to liberate a few tough pits

一种非洲瓜用令人垂涎的姿态让土豚特意挖深隧道形成坚硬的深坑。

In subterranean civil engineering, ventilation shafts , also known as airshafts , are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air.

通风竖井是一个在地底下的公用工程，也称 airshafts ，这个垂直的通风口通常被用於隧道使用时或挖矿时可以排除废弃以换取新鲜空气。

Simultaneity, the research found that the rockburst more frequently occurred in the abnormal or widened section and dry surrounding than the common section and the place that the ground water was abundant, and the occurring time and space of the rockburst in Cangling tunnel had some rules.

采取了针对性的防治措施，重点通过隧道掘进过程中改善围岩的物性条件及采用合理的初期支护措施来有效防治岩爆的发生与发展，同时利用掌握的岩爆规律，对于尚未贯通的右洞开挖起到指导性的作用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。