题目内容

()是旱作物根系吸水层中土壤含水率的下限值。

A. 田间持水率
B. 最大分子持水率
C. 毛管持水量
D. 凋萎系数

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一个WDM系统中,不可以承载多个厂家的不同SDH设备。

A. 正确
B. 错误

机床主轴的运转精度受以下()方面的影响。

A. 主轴的材料
B. 主轴箱孔的精度
C. 轴承精度
D. 主轴的制造精度

You have a portable computer named Computer1 and a desktop computer named Computer2. Bothcomputers run Windows 7. On Computer2, you create a share named Share1 by using the AdvancedSharing feature. You need to ensure that when you connect to Share1 from Computer1, the files that youopen are automatically cached. What should you do?()

A. On Computer1, modify the Offline Files settings.
B. On Computer1, modify the User Profile settings.
C. On Computer2, modify the properties of Share1.
D. On Computer2, modify the file sharing connection settings for the Home or Work network profile.

下列不属于体积流量型传感器的是()。

A. 翼片式空气流量计
B. 量芯式空气流量计
C. 卡门涡流式空气流量计
D. 热线式空气流量计

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