The test results show that the carbonation rate is slow in extremely humid environment, and the incomplete carbonation zone is dominant in carbonation zone, the depth of carbonation tends to a limit.
试验结果表明，在极度潮湿环境下混凝土碳化进展缓慢，且碳化区域以未完全碳化区为主导，混凝土碳化的深度最终趋于一个极限值。
A zone within a stratified body of water in which salinity varies rapidly with depth.
成层的水体中盐度随深度而极为迅速变化的带。
To calculate the fire frequency of coordinate air defense in feet, a calculation model restrained by kill zone depth, course shortcut and interval length between ships is presented.
为解决舰艇编队协同防空中的射击次数计算问题，提出了受杀伤区纵深、航路捷径和舰艇间隔距离约束的计算模型。
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