So, last time, we had set up these things with a slanted plane that was cutting things diagonally.

上次我们，是用斜平面来切割的。

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A closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it.

由完全相交的一个圆锥体和一个平面的交集所形成的闭合的平面曲线。

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For section displays, the cutting plane is assumed to be perpendicular to this line.

为显示指定一个浏览方向，切割平面假设与这条线垂直。

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The main investigation, which also involves the FAA and Boeing, focuses on the 787's cutting-edge lithium ion battery system that powers the plane's auxiliary power unit.

CNN: Quick fix for Dreamliner looks less likely, experts say

Airline seats are a perishable commodity an empty seat becomes a worthless asset once the plane takes off and this fact of aviation life has sometimes led to ruinous price-cutting.

WSJ: Book Review: Attention All Passengers