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1·Biologists at the University of washing-ton observed the behavior of paper wasps (Mischocyttarus mastigorphorus) in the Costa Rican rain forest and then measured the size of their brains.

华盛顿大学的生物学家观察了哥斯达黎加热带雨林中的一种黄蜂(mischocyttarus mastigorphorus)的行为，并测量了它们大脑的大小。

2·Rail’s share of the freight market, measured in ton-miles, has risen steadily to 43%—about the highest in any rich country.

铁路在货运市场上的份额，以英里吨数计算，稳步上升到43%——与任何富裕的国家相比都处于最高水平。

3·Rail's share of the freight market, measured in ton-miles, has risen steadily to 43%-about the highest in any rich country.

铁路在货运市场上的份额，以英里吨数计算，稳步上升到43%——与任何富裕的国家相比都处于最高水平。

4·Through the experiment monitoring, waste gas amounts pollution discharging to ton of coke were measured.

通过监测实验，对各种熄焦水熄焦后吨焦废气污染物的排放量进行了测算。

5·What about actual productivity measured in ton-miles?

什么是实际生产力衡量吨级哩呢？

6·Rail 's share of the freight market, measured in ton -miles, has risen steadily to 43%-about the highest in any rich country.

铁路在货运市场上的份额，以英里吨数计算，稳步上升到43%——与任何富裕国家相比都是最高水平。