When the process was done, the porosity-a measure of the empty space in the structure-was about 94 percent, just below the theoretical limit of 96 percent.
当整个过程完成后，空隙度达到94%，刚好低于96%的极限水平。
2
Based on theoretical and practical experience the author puts forward a new measurefor testing the twist of lower twist filament yarn and this measure is proved through testingpractice.
本文从理论和实践两方面提供了测定低捻长丝纱线捻度的新方法，并通过试验证明了本方法的可靠性。
3
Studying the substitutive measure of detention must begin with its theoretical foundation.