In the final example, the value of the HOME variable is tested to see if it is a directory using the -d unary operator.

在最后一个示例中，测试home变量的值，用单目操作符- d检查它是不是目录。

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In order to reconstruct the shape of scatterer d, we establish the relation between the scatterer and the far field pattern. The relation can be fixed by so called far field operator f.

为了能够重构散射体d，我们可以建立起远场模与散射体之间的联系，这种联系可以通过所谓的远场算子f来确定。

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Remove one socket pin head screw (c), three socket head bolts (d) and gear operator cover (e).

拆卸一个灯头钉头螺丝(C)，三个套筒头螺栓(d)和齿轮执行机构盖(E)。

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When the FCC sent its National Broadband Plan to Congress in March it recommended to Congress that the last remaining 10 MHz of 700-MHz (the D Block) spectrum be auctioned to a commercial network operator.

FORBES: D Block Decision May Prompt T-Mobile/Sprint Marriage

The success of Virgin Mobile in the U.K. and Amp'd Mobile in the U.S. prove the so-called mobile virtual network operator business model.

FORBES: Moore's Law Triumphant

Now Josh, the I'm-going-to-be-a-reporter-someday crew member, and Michael, the I-really-want-to-be-a-rock-star prompter operator, were around me, wearing the same expression you'd have after witnessing a car wreck.

CNN: Robin Meade talks anxiety and her road to self-confidence