EI Village2中，检索式“International Space Station ”
在标题字段检索词组International Space Station。
举一反三
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EI Village2支持截词检索，使用代替任意多个字符。
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中国大学MOOC: EI Village2使用（ ）算符来检索同词根单词。
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Astronauts were ordered to abandon the International Space Station because _______. A: they faced a threat from space junk B: an emergency was taking place back at Mission Control C: a lot of space junk had surrounded the Space Station D: they were being given an escape drill
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EI Village2中提供索引浏览包括（
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在Engineering Village检索平台中，代表“EI工程索引”的数据库名称是______ 。