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问题 多项选择题

从1999年“智能尘埃”项目使用的WeC节点到目前使用较为普遍的Telos节点，处理器仅从8位4MHz主频提升到16位4MHz主频，节点性能的提升十分缓慢，这主要是由于（）造成的。

A.供电约束

B.价格约束

C.体积约束

答案

参考答案：A, B, C

名词解释

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单项选择题

Mr. W is with bipolar disorder, manic phase, with a nursing diagnosis of Imbalanced nutrition: less than body requirements. In order to help the client meet recommended daily allowances of nutrients, which of the following nursing interventions should be included in the plan of care

A. Tell the client to sit alone at mealtime so that he won’t be distracted by others.
B. Teach the client about proper nutrition.
C. Give the client half of a meat and cheese sandwich between meals.
D. Inform the client that snacks are available only if he eats properly at mealtime.
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