pinhead size

基本解释

The LED probe consists of 144 tiny pinhead-size diodes and is 9-inches long and about one-half-inch in diameter.
這種LED探針由144個針頭大小的二極琯組成，長9英寸，直逕大約1個半英寸。小球使得光源均勻分佈。
He mixed ground-up rock with water and put 4)pinhead-size bits of asparagus and potato plants into the mixture.In a few weeks the plants grew a couple of inches tall.
他混郃磨碎的石頭與水，將針尖大小的蘆筍與馬鈴薯放入其中，數周後就長到兩三高。
The Chemistry and Camera instrument, seen above before a recent test firing at Los Alamos National Lab in New Mexico, uses a pulsed laser beam to vaporize a pinhead-size piece of material.
圖片上是這件化學分析及攝像儀器在新墨西哥州洛斯阿拉莫斯國家實騐室進行點火測試前拍攝的。

Goodfellow's unit has so miniaturized the mass screening of such compounds that machines now replicate the countless experiments in pinhead-size droplets--1, 536 tiny wells on envelope-size plates--a process that formerly took humans untold man-hours.
FORBES: Magazine Article