1.
SS/SD [Single-Sided Single Density]
单面／单密度[指磁片
2.
The storage density of a disk medium;storing four times the amount of information per disk as single density.
磁盘介质的存储密度，在这种密度下磁盘的信息存储量是单密度盘的四倍。
3.
precision of simple random sampling
简单随机抽样精密度
4.
SS/DD [Single-Sided Double Density]
单面／双密度[指磁片
5.
dt, dtex (decitex)
分特（线密度单位,十分之一特克斯）
6.
The mass of one unit of volume of a material is called its density.
物质单位体积的质量称之为密度。
7.
a unit of magnetic flux density equal to one weber per square meter.
磁通量密度单位等于每平方米韦伯。
8.
Since it is the probability density, it must be single-valued.
因为它是几率密度，因此必须是单值的。
9.
By the charge density we mean the per unit volume.
所谓的电荷密度是指单位体积的电荷。
10.
EVALUATION OF PRECISE POINT POSITIONING WITH UofC MODEL
基于UofC模型的精密单点定位精度分析
11.
Chaos secure communication of gray image based on MCU
基于单片机的灰度图像混沌保密通信
12.
Simple method for synthesizing alumina with large pore volume and low apparent density
合成大孔容低密度氧化铝的简单方法
13.
The influences of GPS ephemerises accuracy to the precise point positioning
GPS星历精度对精密单点定位的影响
14.
The quantity of something per unit measure, especially per unit length, area, or volume.
密度某物每单位测度的数量，尤指每单位长度、面积或体积
15.
Calculation model tor density concentration of mixed brine
一种简单的混合盐水密度-浓度计算模型
16.
Research of Realizing Algorithm of Encryption and Scheduling in Single-Chip Voice Cipher;
单芯片语音密码机的加解密算法与算法调度的实现研究
17.
Isolate and synthetic aroma chemicals-Determination of relative density
GB/T11540-1989单离及合成香料相对密度的测定
18.
number density of molecules
分子数密度 -每单位体积的物质的克分子数