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【单选题】

“The capability of maintaining over indefinite periods of time specified values of human wellbeing, social equity and environmental quality” called as________()

A.
Ecological Civilization
B.
Sustainable Development
C.
Ecological Compensation
D.
Ecological Damage
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】改进Euler公式是().

A.
1阶精度,单步显式格式
B.
2阶精度,单步显式格式
C.
1阶精度,单步隐式格式
D.
2阶精度,单步隐式格式