One ndfeb magnets chemical stability is poorer, in magnetic drum in humid air, easy appear on surface oxidation gradually layered peeling phenomenon.

其中钕铁硼磁钢化学稳定性较差，在磁滚筒内潮湿的空气中，易出现表面氧化逐步分层剥落的现象。

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They appear to be okay, and they look good, and they're easy and cheaper for now, but when the storms move in, they crumble.

它们表面看起来还可以，而且现在看来十分方便和便宜，但是当暴风雨来临时，他们就崩溃了。

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Do you ever get surprised how easy early subjects appear, once you advance in them.

当提前学习过之后，以前的科目就显得很简单，你是否觉得很惊讶？

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Since projecting retirement income and expenses is not as easy as it may appear, consider sitting down with a financial planner and going over your retirement plan.

FORBES: Will You Have Enough to Retire?

This made it easy to accept what would appear to an outsider to be completely unbelievable situations.

FORBES: From the high seas of finance - Shipping Man

The war is popular because Russian victories appear convincing and easy.

FORBES: Fact And Comment