He had no idea of poverty in the concrete.

Shrinkage strains are mdependent of the stress conditions in the concrete.

混凝土的收缩是一种自发的变形,并不依靠作用在混凝土上的外力.

In the concrete, the theory is far from perfect.

实际上, 这一理论远远不够完善.

And so there are only two kinds of waves that can exist on this violin string, standing or traveling.

由于这只有两种波，可以存在在这条弦上，驻波或行波。

To the ripple aroused by the large Strings, a violin string to replace.

激起来的涟漪，被宏大的弦乐、提琴的回弦代替。

The concert flowed very smoothly except when I broke my violin string.

除了我不慎弄断小提琴琴弦外，整个音乐会都进行得十分顺利。

Violin is a string instrument.

小提琴是弦乐器的一种。

Adjust the tension of a violin string, a tennis racket, etc

调小提琴弦、网球拍等的松紧

And that is a violin string.

那就是小提琴的弦。

Your finger can feel the vibration on the violin string.

你的手指能感觉小提琴琴弦的颤动。

The violin string snapped because it was fastened too tight. rub rosin onto, as of violin bows.

用松香涂在小提琴的弦弓上。音乐家调紧了小提琴的弦。

Your finger will probably feel the vibration on the violin string.

你的手指也许能感觉到小提琴琴弦的颤动。

Let's take the situation where we take a violin string and we pluck it.

让我们设想这样一个情景，我们拿着小提琴的弦拉直它。

Whereas a classical violin string will vibrate no matter what the properties of space and time are, a quantum string is more finicky.

古典的提琴弦不管时空的性质如何都可振动，但量子弦可就挑剔多了。

The second thing is, just as in the case of the violin string, the wave equation, as posed by Schrodinger, has a plurality of solutions.

第二，就那个小提琴弦而言，波动方程，被薛定谔所提出的，有许多解法。

At last I laid the violin back in its case. I picked up the newspaper, walked to the phone and dialed the number.

最后，我把小提琴重新放回到箱子里，拿起报纸，走到电话边，拨响了那个号码。

I packed my cherished violin in its case and stepped into the grown-up world.

我把我心中珍惜的小提琴收拾在盒子里，而且踏进成人的世界。

Two years later, I graduated. I packed my cherished violin in its case and stepped into the grown-up world.

两年之后，我也完成了学业，将心爱的小提琴放回琴箱，步入了成年人的世界。

Life in a violin Case

琴匣子中的生趣

She returned the violin to its case.

她把小提琴放回盒子里。

A door suddenly opened and a young girl ran to him as he held out the violin case to her.

车门突然打开，一个小姑娘迎着他双手托着的琴盒跑过来。