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1·The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.

解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。

2·Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.

对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。

3·A power choke or transformer has an iron core.

扼流器或变压器有一个铁芯。

4·A new moon-rock study suggests the satellite has an iron core.

月球可能比科学家原先认为的更要“地球化”。 一份最新的月石研究报告称，月球有一颗“铁心”。

5·Its moving iron core transformer structure is most widely used.

动铁芯式变压器结构，应用最广。

6·Iron core chokes are coated in a clear lacquer to prevent rust.

铁芯电感外层涂有漆料以防止其生锈。

7·Mercury's huge iron core takes up more than 60% of the planet's mass.

水星巨大的铁核占了其自身重量的60%多。

8·Astronomers say the planet heave liquid (cratered) and has a large iron core.

天文学家说这颗行星表面的坑很深而且有一个巨大的铁核。

9·The stator assembly has a motor coil with an iron core and outflow guide vanes.

定子装有带铁心的电机线圈和出口导叶。

10·There is some dirt or debris on the membrane, it is blocking the moving iron core.

有杂质吸附在膜片上，动铁芯有卡死现象。