射频波就是电磁场，但是与X射线或伽玛射线辐射等电离辐射不同的是，射频波不会打破化学键，也不会给人体造成电离辐射伤害。

Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, cannot break chemical bonds nor cause ionization in the human body.

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按下ESC键将镜头立刻转向你的陆战队员面向的方向。每波怪物结束后你将得到额外的25经验值。

Press the ESC key to immediately pan the camera at the direction your Marine is facing. You will earn 25 additional Experience at the end of each Wave.

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卡波沫为丙烯酸键合蔗糖的烯丙基醚的聚合物，呈酸性。

Kaposi acrylic foam bonded to the allyl ether of sucrose polymers, acidic.

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Remember this is our bond axis here, and you can see there is this area where the wave function is equal to zero all along that plane, that's a nodal plane.

记住这是我们的键轴，你可以看到在这些区域,波函数在这个面内全都是零，这是节点面。

麻省理工公开课 - 化学原理课程节选