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if(s1>s2)S; if(strcmp(s1,s2))S; if(strcmp(s2,s1)>0)S; if(strcmp(s1,s2)>0)S;
30°41′.3S, 15°12′.9W 30°41′.2S,15°12′.7W 30°39′.2S,15°12′.3W 30°40′.0S, 15°11′.5W
12m/s,39m/s 8m/s,38m/s 12m/s,19.5m/s 8m/s,12m/s
S2、S4 S5、S10 S6、S8 S10、S12
30°41′ .3S, 15°12′ .9W 30°41′ .3S, 15°12′ .1W 30°39′.2S, 15°12′ .3W 30°40′ .0S, 15°11′ .5W
测量误差的变异数 观察分数的变异数 与测量目的有关的变异数 稳定的但出自无关来源的变异数
33 °40′.2S ,010°12′.5W 33 °41′.2S ,010°12′.7W 33 °39′.2S ,010°12′.3W 33 °40′.0S ,010°11′.5W
≥30ms ≥40ms ≥50ms ≥60ms ≥70ms
8 m/s,24 m/s 24 m/s,8 m/s 12 m/s,24 m/s 24 m/s,12 m/s
12s 12.5s 13s 13.5s 10.05s
if(s1>s2)S; if(strcmp(s1,s2))S; if(strcmp(s2,s1)>0)S; if(strcmp(s1,s2)>0)S;
30°41′ .3S, 15°12′ .9W 30°41′ .2S, 15°12′ .7W 30°39′.2S, 15°12′ .3W 30°40′ .0S, 15°11′ .5W