假设你是某企业的顾问,在企业原有产品需求增长率停滞或下降,原有产品市场集中程度高,扩张余地小或费用高的情况下,你会建议企业采用()战略。
A. 集团化;
B. 产品差异;
C. 合资经营;
D. 多元化。
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超临界流体萃取法适用于提取()
A. 极性大的成分
B. 极性小的成分
C. 离子型化合物
D. 亲水性成分
FAS系统不具有对区间电动蝶阀的远程控制功能。
A. 正确
B. 错误
液压千斤顶工作时需要()单向阀才能完成吸油和压油。
A. 一只
B. 二只
C. 三只
An important limitation of the Cisco Business Ready Teleworker solution is_____.()
A. IP phone extensions for teleworkers must be chosen carefully so not to duplicate campus phone extensions.
B. More security exposure exists due to lack of support for Intrusion Detection System and URL filtering for teleworker originated traffic.
Compressed RTP and IPSec are not compatible and result in no bandwidth savings.
D. Broadband modems must support Quality of Service for adequate voice quality.