Trials found only one tagged twaite shad came within 30 metres of the intake heads, compared to 14 before the system was switched on.
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港大阮穎嫻博士認為，香港跟中國大陸的市場規模始終相差巨大。餐飲聯業協會楊振年主席則認同香港才在「追落後」。
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