The interlinked occurrente of positiveanomalies of Au, Ag, W, ect. and negative anomalies of Ba, Sr, Na _ 2 O, ect.Au 、 Ag 、 W等组分的正异常和Ba 、 Sr 、 Na_2O等组分的负异常的套合产出是寻找金矿脉的地球化学标志.Ag, don't worry about it.哦，别担心。Quartz Cr...
这远不如戴维所料想的那么痛苦。It was nowhere near as painful as David had expected.他料想那试验一定会成功.He expected that the experiment would be a success.那不像你料想的那么昂贵.It is not so expensive as you might expect....