81. An impact capable of ejecting a fragment of the Martian surface into an Earth-intersecting orbit is even less probable than such an event on the Moon, in view of the Moons smaller size and closer proximity to Earth.
一个能够把活性表面的碎片射入地球交叉轨道的碰撞发生的可能性甚至小于这种事件在月亮上发生的可能性,考虑到月亮更小的尺寸及其与地球接近的程度。
注:in view of :考虑到、由于=because of;
82. Not only are liver transplants never rejected,but they even induce a state of donor-specific unresponsiveness in which subsequent transplants of other organs,such as skin,from that donor are accepted permanently.
但是,我们已经发现,在许多种老鼠之间,这些移植法的常规并没有被肝脏移植物所遵循。肝脏移植物非但从没遭到过排斥,甚至还诱发了一种供者特异性无应答状态,在此状态中,随后来自那个供者其它器官的移植物,如皮肤,会永久地被接受。
83. As rock interface are crossed, the elastic characteristics encountered generally change abruptly, which causes part of the energy to be reflected back to the surface, where it is recorded by seismic instruments.
当岩石界面被穿过的时候,震波所遇到的弹性性质通常会发生突然的变化,这就使得一部分能量被反射回地面,在地面反射回来的波被震波纪录仪记录下来。
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