1) zero sample
零点采样
1.
A novel method of zero sample to eliminate the power noise in the low frequency is presented.
针对陷波器不能有效滤除工频及各高次谐波的情况,提出了一种在低频微弱信号检测中消除工频干扰的零点采样新方法,该方法通过跟踪工频信号产生间隔与工频周期相同的脉冲序列,对混合信号进行过零同步采样。
2) Fitting Nodes
采样点
1.
Research on the Distribution of the Fitting Nodes for Roundness Error Based on CMM;
基于坐标测量机的圆度误差采样点分布研究
2.
Research on the measurement of roundness error with least fitting nodes;
具有最少采样点的圆度误差测量研究
3) sampling point
采样点
1.
The location method of sampling points for investigating the situation of the polluted soil in China;
全国土壤污染状况调查中采样点定位方法初探
2.
In this article,a location method of sampling points for investigating the situation of the polluted soil in China by making use of Google Earth and Chinese-map Web Pages was introduced.
探讨了通过互联网利用Google Earth以及中文地图网页对全国土壤污染状况调查中的采样点进行定位的方法,阐述了必要的操作步骤及应用技巧。
3.
According to the division principle of flue gas sampling point in round stack,the paper gives a convenient and prac-tical formula of the dixtance from sampling point to inwall and corrects the errors in table of the distance value from sampling point to in wall in the published literatures.
本文根据圆形烟道采样点划分原则，给出了一种方便适用的采样点距烟道内壁的距离公式，并就现有文献中采样点距烟道内壁的距离值表格的误差进行了修正。
4) multi-point sampling
多采样点
1.
By using multi-point sampling with one oxygen meter, the operator of the chamber can find out the leakage points according to the density of oxygen detected and take necessary measures to prevent accident in time.
多人氧舱面罩部位漏氧随时可能发生 ,用单测氧仪多采样点按区位检测舱内氧浓度 ,可以及时发现舱内漏氧部位 ,以便操舱人员及时采取措施。
5) Points Sample
点云采样
6) sampling position
采样点位
1.
Discussion on the sampling position of the first kind of polluting matter;
关于废水中一类污染物的采样点位
补充资料：函数零点
我们把函数y=f(x)的图像与横轴的交点的横坐标称为这个函数的零点，即方程的根。
f(x)的零点就是方程f(x)=0的解。这样就为我们提供了一个通过函数性质确定方程的途径。函数的零点个数就决定了相应方程实数解的个数。
若函数y=f(x)在闭区间[a,b]上的图像是连续曲线，并且在区间端点的函数值符号相反，即f(a)·f(b)<0，则在区间(a,b)内，函数y=f(x)至少有一个零点，即相应的方程f(x)=0在区间(a,b)内至少有一个实数解。
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