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人均GDP=500;PU=35% 人均GDP=1000;PU=60% 人均GDP=3000;PU=70% 人均GDP=5000;PU=55% 人均GDP=10000;PU=70%
PU=UP PU=U/P PU=P/U PU=(U+P)/(U-P)
±0.001pu ±0.002pu ±0.003pu ±0.005pu
1/P=1/PU+1/PV+1/PW P=PU+PV+PW P=PU•PV•PW P=(PU+PV+PW)
PU=U/P PU=P/U PU=UP PU=(U+P)/(U-P)
PU—402前的过滤器堵塞 PU—402后的管道堵塞 回流阀开度太大
person who is elected person who fixes bicycles person who fits pipes person who repairs lights
Pu=Pm-9dB Pu=Pm+9dB Pu=Pm+8.686dB Pu=Pm-8.686dB
resulting in resulted in resulting from resulted from
PA+pC+pUpCpApGpU PApG+pUpC+pApGpU 2pA+2pG+2pU+pC PApGpUpCpA+pG+pU PApGpUpCpApG+pU
RESTORE SCREEN FROM PN SAVE SCREEN TO PU SAVE ALL TO PU SESTORE FROM PU
deals with deals about makes up talk about
Pu和Pu都含有94个中子 Pu和Pu互为同位素 Pu和Pu的核外电子数不同 Pu和Pu分别含有146和147个质子
psychiatric studies of different types of anger reactions the reactions of abnormal person to annoying situations emotional reactions shown by normal and abnormal persons the level of anger reactions shown by well-balanced persons
1/ P- 1/ Pu+1/ Pv4+1/ Pw P=Pu+Pv+Pw P=Pu·Pv·Pw P=(Pu+Pv+Pw)/√3
forthright polite decisive neat
1/P=l/PU +1/PV +1/PW P=PU +PV +PW P= PU · PV · PW P=(PU +PV +PW ) / 3