This time it came in the reverse direction .
这一次它是从相反的方向来的。
In the reverse direction, from solid to solution, the phase is abrupt and well marked.
在相反的方向,即从固体到溶液,相变则是突然的、十分明显的。
For this reason, any large, flat areas should be crowned convex to prevent dishing in the reverse direction.
同样原因,较大的平坦表面应稍拱起以避免在相反方向凹下。
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