numerical analysis of construction time for the tunnel shotcreting

model test study on the tunnel within cracked surrounding rocks

破碎围岩隧道的模拟试验研究

expert advisory system for the tunnel support design of underground mine

矿山巷道支护设计专家咨询系统

his men in the tunnel took the kite string with them.

隧道里的人带着风筝线。

in this way, he could determine how long the tunnel should be.

这样，他就可以确定隧道的长度。

he was back in manhattan that afternoon, and the following month, he began putting in motion an ambitious plan that he dubbed project jumanji, which involved transforming their greenwich village rooftop into a tropical paradise.

当天下午他返回曼哈顿，在接下来的一个月里，他开始实施一个雄心勃勃的计划，他称之为勇敢者游戏计划（Project Jumanji），其中包括把他们在格林尼治村的屋顶改造成热带天堂。

ptn in zinc-blende structure: an unstable metallic transition-metal nitride compound

闪锌矿结构的PtN：一种不稳定的过渡金属氮化物

synthesis and characterization of monodisperse cdse quantum dots with zinc blende structure

单分散闪锌矿型CdSe量子点的合成及表征

she has bought herself a laptop and a car ( although she has yet to learn how to drive it).

她还给自己买了一台笔记本电脑和一辆车——虽然她还未学会驾车。

may: dad, i want to learn how to drive this summer vacation.

阿美：爸爸，我想在这个暑假学学怎样开车。

shall i learn how to drive?

我去学开车好吗？

when did you learn how to drive?

你们三餐都在学校吃吗？

kids who grow up in farm country learn how to drive early.

在农村长大的孩子很早就学会了开车。

you wished for the day your child would learn how to drive.

你真希望有一天孩子能学会开车。

why don't you learn how to drive?

你为什么不学学开车？

when you first learn to drive it's 1000 activities like steering, shifting, checking mirrors, braking-but with practice you turned it into autopilot and it's no stress at all.

当你第一次学驾驶时要做1000种动作，比如握方向盘，转弯，看后视镜，踩刹车——但随着练习，你把它变成了“自动驾驶”，你根本没有什么压力了。

owning and operating an automobile in the united states is a serious responsibility, and students should consider carefully before deciding to learn to drive or to buy a car.

在美国，拥有并驾驶一辆汽车是个重大负担。学生在决定学习驾驶或买车之前，应该慎重考虑。

in the future there will be self-driving cars, so maybe we will not need to learn to drive anymore.

将来会有自动驾驶汽车，所以也许我们不再需要学习驾驶了。

learn to drive smarter, save money, and protect the environment by reducing your gas expenditure.

通过降低汽油费用，既可以节约金钱，又可以保护环境。

i have kids at home who are dying to learn to drive a car.

我的孩子特别渴望在家里学习驾驶。

going training school, summer program, learn to drive in three months, 2,800 yuan.

“来训练”驾校，暑期项目，三个月学会开车，2800元。