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“花重锦官城”里的锦官城现在指哪个城市?
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若Ax = 0只有零解,则Ax = b (b ≠ 0)有唯一解. ( )
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是一门能解释、预测和调控人的行为为目的,通过研究分析人的行为、揭示人的心理活动规律的科学。
在( )情况下,系统出现死锁。
沉淀的类型与聚集速度有关,聚集速度的大小主要相关的因素是
空间时间是:
某厂用水泵从河边抽水站将河水送至水塔中去,水塔水面保持恒定,泵的流量为30m3/hr,输水管内径为96mm,泵的效率为0.65。输水过程中总的阻力损失为5[m水柱],试求泵所需的轴功Na。 [含图片]
函数f(x)=3sinx-cosx 既不是奇函数,也不是偶函数.
A computer system includes a computer, peripheral devices, and software. The electric, electronic, and mechanical devices used for processing data are referred to as hardware. In addition to the computer itself, the term “hardware” refers to components called peripheral devices that expand the computer’s input, output, and storage capabilities. Computer hardware in and of itself does not provide a particularly useful mind tool. To be useful, a computer requires a set of instructions, called software or a computer program, which tells the computer how to perform a particular task. Computers become even more effective when connected to other computers in a network so users can share information.
“化学是99%的手工,1%的哲学,但正是因为这1%的哲学才使化学成为科学。”这句话是著名化学家李比希说的。
结合实际谈谈你对化学潜在课程中实施德育或美育的理解?
远程教育最初的形式是( )
临界期现象说明,人类后天的语言学习具有()
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