下列检索式描述错误的是 A: subjterm(3304) and "TITLE-ABS-KEY"(learning) B: ①((education* or instructional) w/1 (technique or technology)) and ("class participation" or "classroom participation" or "student participation")<br/>②1.((education* or instructional) w/1 (technique or technology)) and ((class* w/1 participation) or "student participation")<br/>①和②的检索结果一样。 C: 检索“白血病的诊断和治疗”可输入检索式为 leukemia and (diagnosis or therapy) D: (hig* w/3 (tech * or educat*)or part*) not ( pra* or class) w/9 marxism 检索式正确。

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2022-05-30

下列检索式描述错误的是 A: subjterm(3304) and "TITLE-ABS-KEY"(learning) B: ①((education* or instructional) w/1 (technique or technology)) and ("class participation" or "classroom participation" or "student participation")<br/>②1.((education* or instructional) w/1 (technique or technology)) and ((class* w/1 participation) or "student participation")<br/>①和②的检索结果一样。 C: 检索“白血病的诊断和治疗”可输入检索式为 leukemia and (diagnosis or therapy) D: (hig* w/3 (tech * or educat)or part) not ( pra* or class) w/9 marxism 检索式正确。

下列检索式描述错误的是
A: subjterm(3304) and "TITLE-ABS-KEY"(learning)
B: ①((education* or instructional) w/1 (technique or technology)) and ("class participation" or "classroom participation" or "student participation")
②1.((education* or instructional) w/1 (technique or technology)) and ((class* w/1 participation) or "student participation")
①和②的检索结果一样。
C: 检索“白血病的诊断和治疗”可输入检索式为 leukemia and (diagnosis or therapy)
D: (hig* w/3 (tech * or educat*)or part*) not ( pra* or class) w/9 marxism 检索式正确。

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