1.
before top dead center
在上死点前在上止点前
2.
The results show that the flow field structures on longitudinal section are similar in a certain crank angle range before TDC.
计算结果表明,在上止点前较大的曲轴转角范围内,纵剖面流场结构相似.
3.
before bottom center
下死点前在下止点前
4.
So the exhaust valve opens before BDC and closes after TDC.
因此排气门在下止点之前打开，在上止点之后关闭。
5.
So far, the focus has been on fiscal discipline.
到目前为止，其重点都是放在财政纪律之上。
6.
after top center
上死点后在上止点后
7.
Fold the shoulder seam downwards. Cut from point C around the front neckpoint to point B. cut down around the armhole. Stop before reaching the underarm point.
折叠肩的缝线。从C点开始剪,沿着前颈点到B点。沿着袖窿往上剪,到达腋下点前停止。
8.
The Bore is the diameter of the cylinder. The stroke is the distance the piston travels from BDC (Bottom dead center) to TDC(top dead center). The Bore is always mentioned first.
内径指的是气缸的直径;行程是活塞从下止点运行到上止点的距离。表述时,内径总是写在前面。
9.
The reporter 's deadline is 8 p.m. for the morning edition
记者给上午版发稿的截止时间是(前一天的)下午八点
10.
The reporter's deadline was 8 P.M. for the morning edition.
记者给上午版发稿的截止时间是(前一天的)下午八点。
11.
Business hours, 10 a.m.-5 p.m.
营业时间上午十点至下午五点止。
12.
"The composite index stopped the declining momentum, gaining 28 pointes to 671."
综合指数停止下滑,上升28点达到671点
13.
It will take you some time before you really find your feet. But dont worry about it. We will help you out until you get used to it.
你上手之前需要一点时间，不过别担心，我们会帮你忙，直到你适应为止。
14.
It is true that cricket, unlike football, has until recently remained a specifically British game,
事实确实如此。板球到目前为止仍然是典型的英国体育赛事，在这一点上就完全不同于足球。
15.
I' m at work by 8 a. m.
我上午八点以前上班。
16.
By now, several bridges have been built over the Changjiang River.
到目前为止，长江上已经建了好几座桥。
17.
As yet, no man has set foot on Mars.
到目前为止还没有人登上火星。
18.
I have thought of searching for a fourth-grade sweetheart for more than once.
我不止一次想过寻找四年前的心上人。