One thing relativity tells us about is length contractions.

相对论告诉我们的一件事是长度的收缩。

youdao

One hundred lines is the limit of the length (actually 101 because of the first line added before counting starts).

长度限制为100行(实际上是101行，因为第一行是在开始计数之前添加的)。

youdao

One reason is that it takes a long time; the average length of treatment is about five years.

原因之一是，它需要很长的时间；平均治疗长度为5年左右。

youdao

It describes a rectangle with a length about one and one-half times its width.

VOA: special.2010.06.06

"Squaw Man" was one of the first full-length movies produced in Hollywood.

VOA: special.2009.05.31

His lone defeat came in the Wood Memorial, a one-length loss to undefeated Verrazano.

WSJ: Vyjack's trainer puts his faith in jockey

After moving outside to surge past pacesetter Super Ninety Nine on the final turn, the brown colt held off Flashback for a one-length victory that came just hours before Louisville rallied past Wichita State 72-68 in a national semifinal in Atlanta.

NPR: Louisville Coach Chasing Derby Win As A Co-Owner

It was clear, though, that as with the Packers and Moss, a one-year length was a deal-breaker for the Eagles.

FORBES: Vick's Contract: Eagles Get Benefit Of Two-Year Bargain