1、In electronics, the unidirectional, pinhead electron stream generated by the cathode gun in a CRT.
在電子技術(shù)中，由陰極射線管(CRT)中電子槍所產(chǎn)生的、單向細電子流。

2、One micron is a thousandth of a millimeter: a pinhead is about a millimeter across.
一微米等于千分之一毫米。針頭直徑大約一毫米。

3、This tiny piece of sky, the size of a pinhead held at arm's length.
這一小塊天空，正如一臂之遙處的針頭大小。

4、The doctor fastens the pinhead with rubberized fabric.
醫(yī)生用橡皮膠把針頭固定下來。

5、A pinhead is the head of a pin.
針頭是指大頭針的頭部。

6、A pinhead of the puncture needle can be extruded from the front end of the shell.
所述穿剌針的針頭可從所述外殼前端伸出。

pinhead翻譯