单词z0
网络: 零水平；负零；土抗力不为零
The second set, [A-Za-z0-9_]{2, 9}, represents a series of at least two and up to nine of any letter, any digit, and the underscore.
第二个集合[A-Za-z0-9_]{2,9}表示由至少2个至多9个任意字母、数字和划线组成的序列。
Plant coverage is pacing factor for influencing roughness(z0), also height and density of plant have significant positive correlation.
粗糙度主要受群落盖度影响，并与群落密度、高度也呈显著正相关。
The zero-offset (z0) section is an important achievement in seismic reflection imaging.
零炮检距剖面是地震反射成像过程中的重要成果。
The back part of the bus started at Z 0, so that it would behave the same when the parts should rotate.
巴士后面的部分开始在Z0，因此它具有相同的行为，当零件应旋转。
Putting it another way, the origin is the location of the cutting tool point when all three axis counters are at zero value (X0, Y0, Z0).
投入它另一个方式，起源是切割工具点的地点，当所有三轴的柜台在零位值时（X0、Y0，Z0）。
Stick to characters that are safe in URLs (letters, numbers, dash, underscore: [A-Za-z0-9_-]).
使用在URL中有效的字符（字母、数字、横线、下划线：[A-Za-z0-9_-]）。