effective diameter

基本解釋

Effective Diameter-The tolerance is the amount of variation allowed in the manufacture of the tap.
中徑一公差是在絲錐的制造中所允許的變異量。
Objective To investigate the effect of preparation conditions on the effective diameter and saturation magnetization (Ms) of dextran magnetic iron oxide nanoparticles (DMN).
目的探討葡聚糖氧化鐵磁性納米顆粒（DMN）的制備對(duì)其有效粒徑和比飽和磁化強(qiáng)度的影響。
The model shows that the higher the positioning velocity, the smaller the dynamic effective diameter;
觸測(cè)速度偏離其最優(yōu)值越多，有效作用直徑就越大；
www.cmemo.org.cn

If the collecting area is in pieces, the effective diameter (the distance between the two most widely spaced pieces) can be several thousand kilometres.
ECONOMIST: Radio telescopes
SKA's proponents are talking of scattering its sub-telescopes over an area of 1m square kilometres, which would create an effective diameter of about 1, 000km.
ECONOMIST: Radio telescopes