你可能感兴趣的试题
将Se(Ⅵ)还原成Se(Ⅳ) 将Se(Ⅳ)氧化成Se(Ⅵ) 消除共存Se(Ⅵ)的干扰 消除共存与元素的干扰
a. were canceled having canceled having been canceled had been canceled
GRE幅值较SE小，图像信噪比高 GRE幅值较SE小，图像信噪比低 GRE幅值较SE大，图像信噪比高 GRE幅值较SE大，图像信噪比低 GRE幅值较SE小，图像信噪比相同
X-1.96SE＜XT≤X+1.96SE X-1.96SE≥XT X+1.96SE≤XT X-1.96SE≌XT≌X+1.96SE
GRE幅值较SE小，图像信噪比高 GRE幅值较SE小，图像信噪比低 GRE幅值较SE大，图像信噪比高 GRE幅值较SE大，图像信噪比低 GRE幅值较SE小，图像信噪比相同
A. whose which of which that
SE.>03Ri SE.=03Ri SE.<03Ri SE.≥03Ri
VE=SE/LC CE=LC/SE CE=SE/I CE=SE/SC
A. whose which of which that
X-1．96SE≥XT X-1．96SE≌XT≌X+1． 96SE X+1．96SE≤XT X-1．96SE＜XT≤X+1．96SE
A. buy bought buying to buy
Se＜15％ 15％≤Se＜35％ 35％≤Se＜70％ Se≥70％
Se6＋ Se4＋ Se2－ 总硒 Se6＋和Se4＋
Se
Se
总硒 Se
湘公网安备 43130202000226号