Some security crackers end up using their powers for good, providing penetration testing services or otherwise making efforts on the side of the angels.

一些安全破解者最终会将其能力用到好的方面，比如提供渗透测试服务，或者是其他一些站在天使这边的所为。

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Control of the penetration and width of the back side weld was then achieved by controlling the width of an isothermal line near the melting point.

通过控制接近熔点温度的等温线宽度最终实现了对焊缝背面熔宽和熔透的控制。

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And make the east side of the natural landscape can be a good penetration into the laboratory area.

并且使东侧自然景观能便好的渗透进入实验室区。

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