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何谓船舶作业计划？

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下列哪项不是人参的主要功能（）

A. 大补元气，复脉固脱
B. 生津止渴，益气降火
C. 补脾益气
D. 生津安神

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（EMB145）主登机门的关闭由（）完成。

A. 液压系统No.2和储压器
B. 液压系统No.1和储压器
C. 电动马达
D. 液压系统No.2

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水果罐头加工一般采用何种方法杀菌？

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In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）

A. RSVP is a required configuration to support conference calls without voice packet loss.
B. The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams.
Call admission control is an issue only when using hardware DSP resources.
D. When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.

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