Whereas when using bowl shaped bit, the success ratio of branching is high, process simplified, time saved and cost reduced.

而碗状钻头人为叉孔成功率高，施工工艺简单，节省了时间，降低了成本。

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As I got closer, I could see it was in fact a hangar, shaped a bit like a giant crab, built into a berm.

再靠近一点我发现这是一个机库，形如巨蟹，建于崖径之中。

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This popular summer squash is shaped like a slightly curved cylinder, a bit smaller at the top than the bottom.

这种夏季流行南瓜形状是稍微弯曲的圆筒状，顶部比底部稍微小一些。

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That bit of trickery works because the light can be manipulated when the material is shaped with features about as big as the light's wavelength - less than a millionth of a metre for light that we can see.

BBC: Invisibility cloaking benefits from crystal-clear idea