estimated
hesitated
单选题以下哪个不是SPAC系统的研究对象()。A 水分B 土壤C 大气D 植物
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名词解释题SPAC系统
单选题What are the directory details of Relational Database backup files created by IBM Tivoli Access Manager for Enterprise Single Sign-On V8.0.1 housekeeping?()A The directory must exist with one subdirectory (general).B The directory must exist with two subdirectories (daily, weekly).C The directory must exist with three subdirectories (daily, weekly, monthly).D The directory must exist with four subdirectories (general, daily, weekly, monthly).
填空题SPAC概念认为()-()-()是一个统一的连续体。
判断题SPAC系统指的是 土壤、作物、大气、 连续体。A 对B 错
填空题SPAC中的水容被定义为()。
单选题It is _____ that millions of galaxies exist in the vast space outside the Milky Way.A estimatedB hesitated