选择重锤式启动继电器时,吸合电流要大于热堵转电流,释放电流要小于冷态主绕组电流。()
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环境创设要注意有效性原则,以最小的投入换取最大的产出。()
AcustomerhasmanyRS/6000sandPOWER4systemsrunningdifferentAIXapplications.WhatshouldthecustomerdotobestpositionthemselvesforthemigrationtoPOWER5?()
A. UpgradeOStoAIX5.2.
B. ImplementMicro-Partitioning.
C. UpgradeHMCtosupportPOWER5.
D. InstallPartitionLoadManager.
认知理论认为影响儿童心理发展的因素包括:成熟、物理环境、社会环境和平衡。()