The normal anatomy the spine is preserved since the frontal approach takes advantage of normal tissue planes and does not require removal of any bone.
前路进入手术是利用正常的组织面，不需要去除任何骨结构；所以可以保留正常的脊柱解剖结构。
It will take far longer to sort out a backlog of cancelled flights; to move planes and crew in the wrong places to where they should be; and to return supply chains to normal.
要处理因众多航班取消而造成的积压之事需更多的时日：将被滞留飞机和机组人员转移到目的地和恢复正常供应链。
In normal life, people have to go to work, arrange schedules, catch planes and trains, and pick up children from school at given times.
在平日生活中，人们必须要在给定的时间上班工作，安排日程，赶飞机火车，去学校接孩子。
Well, that's because my line is perpendicular to the normal vectors, so it's parallel to the planes it's parallel to all the planes Now, why is it in the planes instead of parallel to them?
那是因为这条线垂直于全部法向量，所以它平行于全部平面，所以它平行于全部平面，为什么它在面内而不是平行于该面？
Remember, the Angle between two planes is the same thing as the Angle between the normal vectors.
记住两个平面之间的夹角和，两个法向量之间的夹角是一样的。
We used sea planes and sail boats to get around - much better than normal cars!
我们使用了小飞机和海上帆船绕过-比普通汽车的更好！
On the basis of normal landing process of Airbus planes, the article analyzes the reasons for their heavy landing, and expounds on the concrete measures against heavy landing.
以空客飞机正常的着陆过程为基础，分析造成飞机重着陆的原因所在。阐述如何避免重着陆的具体措施，从而达到有效防止空客飞机重着陆。
Voyager did not have most of the normal safety equipment of modern planes.
“航行者”号没有通常现代飞机上有的绝大多数安全设备。
Voyager did not have most of the normal safety equipment of modern planes.
“航行者”号没有通常现代飞机上有的绝大多数安全设备。
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