不管什么原因，恐龙以及地球上几乎半数以上的物种灭绝了。
Whatever the cause, dinosaurs, as well as about half of all species on the planet, went extinct.
这些微型卫星体积小巧，能够容纳传感器和通信接收器、发射机，使操作人员能够从太空中研究地球以及地球周围的空间。
Within their compact bodies these minute satellites are able to house sensors and communications receivers/transmitters that enable operators to study Earth from space, as well as space around Earth.
碳循环（以及地球变暖的争论）是此次变化的一部分。
The carbon cycle (and the global warming debate) is part of this change.
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