John Connor, head of the Climate Institute, a Sydney research body, says Australia now risks becoming a "carbon backwater".
气候研究院是悉尼的一家调研机构，该院院长约翰•康纳表示，澳大利亚现在冒着“碳闭塞”的危险。
The backwater and general formula of the local head loss of regulation structures is presented in this paper.
简述整治建筑物的壅水及其机理，归纳出局部水头损失壅水的通用公式。
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