题目内容

操作型数据库与数据仓库相比有以下特点,操作型数据库是面向()和面向()的。

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选择切削用量的顺序是:先尽量选用大的(),再尽量选大的()最后选大的()。

假冒材质成份是指什么?

What is the purpose of configuring the router as a PPPoE client?()

A. to provide VPN access over L2TP
B. to enable PPP session from the router to the termination device at the headend for metro Ethernet connectivity
C. for DSL connectivity and removing the need for the end - user PC to ru n the PPPoE client software
D. for connecting the router to a cable modem, which bridges the Ethernet frames from the router to the cable modem termination system

按油泵压力分:当工作压力在()公斤/厘米为高压泵。

A. 64-100
B. 200-400
C. 大于500

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