1.
Orthogonal analysis on Pore Size of Nanometer Porous Glass
纳米孔玻璃介质孔径大小的正交分析研究
2.
The study on the influence of the pore size of MCM-41 by alkaline content and the mechanism
碱含量对MCM-41孔径大小的影响
3.
overall f - number
总光圈大小, 总孔径焦距比
4.
Rapid EDM systems for micro and small holes with high-aspect-ratio
大深径比微小孔快速电火花加工系统
5.
n-hexane Assisted Synthesis of Mesostructure Cellular Foam Silica Material with Little Pore Size and Big Pore Volume
正己烷辅助合成小孔径大孔容介孔泡沫氧化硅材料
6.
large core high numerical aperture fiber
大芯径大数值孔径光纤
7.
Experimental analysis of artificial deep foundation with large diameter and length shorter than 6 metres
长度小于6m的大直径人工挖孔深基础试验研究
8.
TEST AND RESEARCH ON PORE-FORMING TECHNIQUES ON DUCTULE LARGE PARTICLE SANDY COBBLE STRATUM
大粒径砂卵石地层小导管成孔技术试验研究
9.
The Coddington is essentially a sphere with a slot cut in it to allow an aperture smaller than the pupil of the eye.
科丁顿放大镜实质上是一个球，球面上开槽，使得孔径小于眼的瞳孔。
10.
While increasing the diameter of spinneret hole, the filament diameter of PET POY was increased, both the orientation and the birefringence of PET filament were decreased.
随着喷丝孔孔径的增大,涤纶POY单丝直径增大,单丝的取向度降低,双折射率减小。
11.
Research on the experiment of liquid leaking back and forth through a small hole
糖水-水小孔泄漏振荡周期与小孔孔径的关系
12.
ultra-rapid lens
甚大光强[相对]孔径物镜
13.
maximum opening diameter without reinforcement
不另行补强的最大孔径
14.
object lens of large relative aperture
大相对孔径(摄影)物镜
15.
short focal length (high aperture) lens
短焦距(大孔径)透镜
16.
Airflow noise attenuation capacity of porous Al alloy with small pore diameter
小孔径通孔多孔铝合金的防风降噪性能
17.
The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
18.
Fruits and vegetables can be graded for size by the openings they will pass through.
果蔬可以根据其所能通过的孔径来按照大小进行分级。