pin-hole

基本解释

The reason that the pin-hole tested vision was lower than the refraction corrected vision was probably related with the high hyperopia and myopia.
针孔视力小于矫正视力的原因可能与远视和近视的程度偏高有关。
The strain amplitude aside the pin-hole was fit by the second order Response Surface. The cumulative distribution function of strain amplitude was achieved with Monte Carlo method.
采用响应表面法进行应变变程函数拟合，得到销钉孔边应变变程二次函数分布。
Some aspects in cast-iron drainpipe production in centrifugal casting, such as machine type, influence of coating, formation of pit and pin-hole defects, were analyzed and approached.
针对离心铸造铸铁排水管生产过程中存在的问题，如设备选型、涂料的影响，麻坑、针孔等铸造缺陷的产生原因等进行了分析和探讨。

The detail in a photograph taken by a pocket-sized digital camera is roughly in focus from a few feet away to almost infinity—just like a pin-hole camera children make in school.
ECONOMIST: Tech.view: Me no Leica any more The