By 1974, this system was mostly completed.

到1974年，这一系统基本完成。

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This is accomplished by a complex system of chemical messengers that in plants include hormones and other regulatory molecules.

这是通过一个复杂的化学信使系统来完成的，在植物中包括激素和其他调节分子。

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The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.

棱皮龟通过将鳍状肢底部的血管排列成逆流交换系统来完成这一过程。

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The sad thing is that the majority of people that are killed by malaria are children because there immune system is not strong enough to ward off this infection."

VOA: special.2009.12.22

This indicates that by combining two lithiums, the energy of the combined system is lower than the energies of the atomic systems.

结果显示，两个锂结合后，其结合后的能量,比原子体系的能量要低。

麻省理工公开课 - 固态化学导论课程节选

This, by the way, is a way of showing the fact that everything which appears in a semiotic system is conventional, right?

这也表明了,任何在符号系统中出现的符号都要符合惯例？

耶鲁公开课 - 文学理论导论课程节选

This system was pioneered by the defence ministry in the late 1980s but faces bureaucratic resistance.

ECONOMIST: Cuba and the United States

Making this system more accessible by passing costs to taxpayers will simply spread its failures more broadly.

CNN: U.S. manages disease, not health

There have been efforts to address this nonsensical financing system by paying hospitals for achieving the right outcomes for patients, including in the Affordable Care Act.

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