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planning, checking, directing, monitoring, and recording initiating, planning, executing, monitoring and controlling, and closing planning, executing, directing, closing, and delivering initiating, executing, monitoring, evaluating, and closing
from for about at on into
HA=BA＜CA（CA：时间年龄，BA：骨龄，HA：身高年龄） HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
from for about at on into
HA=BA＜CA（CA：时间年龄，BA：骨龄，HA：身高年龄） HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
Δha＞Δh Δha＜Δh Δha≥Δh Δha=Δh
HA＝BA＜CA(CA：时间年龄，BA：骨龄，HA:身高年龄) HA＜BA＝CA BA＜HA＜CA BA＞HA＞CA HA＝BA＝CA
from for about at on into
from for about at on into
HA=BA＜CA（CA：时间年龄BA：骨龄HA：身高年龄） HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
HA＝BA＜CA(CA：时间年龄，BA：骨龄，HA:身高年龄) HA＜BA＝CA BA＜HA＜CA BA＞HA＞CA HA＝BA＝CA
HA=BA＜CA（CA：时间年龄BA：骨龄HA：身高年龄） HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
HA=BA＜CA HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
浓度相等的HCl与HA两溶液体积相同时，跟镁反应生成氢气HA比HCl多 pH相等的HCl与HA两溶液体积相同时，跟镁反应生成氢气HA比HCl多 浓度相等的HCl与HA两溶液，c(H＋)HCl约是c(H＋)HA的100倍 pH相等的HCl与HA两溶液，c(HA)约是c(HCl)的100倍
HA=BA＜CA HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
HA=BA＜CA（CA：时间年龄BA：骨龄HA：身高年龄） HA＜BA=CA BA＜HA＜CA BA＞HA＞CA HA=BA=CA
HA+b=HB+a HA-a=HB-b hAB=HA-HB HA+a=HB+b
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