1) sampled number reduction
降低粒子数目
2) depopulation
[英][di:,pɔpju'leiʃən] [美][di,pɑpjə'leʃən]
粒子数降低;人口减少
3) number of particle
粒子数目
1.
The influences of the number of particles and the range of initial values adopted for water quality parameters to be evaluated on the convergence of the PSO algorithms were studied by numerical experiments.
分别就粒子数目和待估水质参数的初始取值范围对算法运算过程的影响进行了数值实验。
4) Reduction of grain size
降低粒度
5) number of holes in a blob
粒子内的孔数目
6) particle precipitation
粒子沉降
1.
A simulation study on the effects of particle precipitation on the polar ionosphere was carried out in this paper.
利用一维自洽的时变极区电离层模型,研究极隙区极光粒子沉降对极区电离层F层电子密度影响的时变过程。
2.
They are auroral oval phenomena,FLIZ phenomena,slant Es phenomena and lacuna,F region magnetic noon phenomena,and particle precipitation effects in the E region.
由于中山站处在极尖区附近这样一个特殊位置，所以这些电离图能显示出大多数高纬现象，诸如极光卵现象、ＦＬＩＺ（Ｆ层不均匀区）现象、倾斜Ｅｓ和空白现象、Ｆ区磁纬中午现象、Ｅ和Ｄ区的粒子沉降效应，以及粒子Ｅ层（夜间Ｅ层）现象等。
3.
The polar ionosphere is strongly influenced by convection electric fields, auroral particle precipitation, and field-aligned electric currents etc.
极区电离层强烈地受到极区对流电场、极光粒子沉降和场向电流等的影响。
补充资料：降低
下降；使下降：温度～了ㄧ～物价 ㄧ～要求。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条