In the last half century, people have estimated human carryingcapacities for the earth that have ranged from less than one billion to more than a trillion. They can't all be right.
在过去的五十年里，人们估计地球的人口承受能力从少于十亿到多于一万亿，但不可能所有人的估计都正确。
2
The paper deals mainly with how to set up a scientific data base for gear carryingcapacities tests.
本文介绍国产材料的齿轮承载能力试验数据库的内容、功能、设计及其实现。
3
Various bearings of the same design may thus be constructed having the same bore but different load-carryingcapacities.