per square inch

基本解释

In comparison, a German shepherd has a biting pressure of 750 pounds per square inch.
相比较，德国牧羊犬在咬牙时每平方英寸大约有750英镑的压力。
Earthbound humans have 14.7 pounds per square inch of air pressing on them every second of the day. Space suits only put about 4.3 pounds of pressure per square inch on the wearer.
地球上的人每秒钟都承受着每平方英寸14.7磅力的气压，而太空服让宇航员所承受的气压只有4.3磅力。
This method allows data to be stored at significantly higher capacities: 1.9 terabits per square inch have been demonstrated, and a capacity of 3.3 terabits per square inch is possible.
此方法可使数据被存储容量大幅提高：每平方英寸1.9兆兆位已获实验证明，每平方英寸3.3兆兆位也有可能。

The quality of pictures is measured in pixels microscopic points of color per square inch.
FORBES: How an outsider's vision saved Kodak
The greater number of pixels per square inch means a substantially higher screen quality.
ENGADGET: PSA: Barnes & Noble's Nook HD, HD+ tablets are now available in the UK
Normal atmospheric pressure varies, but is usually around 14.7 lbs per square inch (psi).
FORBES: Why Spring Means Higher Gasoline Prices