If it is to travel in a straight line, the wheels on both sides have to be of exactly equal size.

那么，你就会知道小汽车几乎很少顺着直线跑，那么它左右两边的车轮的大小必须是正好绝对相等的。

youdao

These sizes must obey the rule that twice the size specified must be less than or equal to the dimension of the image in that direction.

这些尺寸的大小必须满足这样一个规则，尺寸的二倍必须小于或等于在那个方向上图像的尺寸大小。

youdao

As with the older VG types, the size is specified in units of megabytes and the size variable must be equal to a power of 2.

与旧的VG类型一样，其大小使用兆字节为单位，并且大小变量必须等于2的整数幂。

youdao

Five years from now, assuming both of those larger players have doubled in size (which I think is very conservative), Sina would have to increase 10x in size to be of equal valuation to them.

FORBES: Will You Shut Up About This Being Another Internet Bubble Already?