2018/06/05
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"javaweb JAVA JSP聊天室程序源码(局域网聊天系统 即时通讯)网页聊天系统✅项目合作 二开均可 TG:saolei44✅.ozovsjqyVafiV" 的搜尋 由 4531 至 4540 約有 4575 筆結果
...率並沒有明顯的趨勢變化, 這可能與牠們在不同年份經常來往穿梭不同的區域所致。但在江豚出沒的高峰季 節,牠們在香港南面水域的整體年度遇見比率在近年卻有明顯的上升趨勢。相 反,中華白海豚在大嶼山附近水域的整體年度遇見比率在近年呈現下降的趨勢, 而且分別在海豚出現的三個主要區域(大嶼山西北、東北及西)均可發現此下降趨 勢。此外,研究員利用樣條線分析方法以估計中華白海豚在此三個區域的年度數 量,發現在 2002-10 年期間,海豚的整體數量由 2003 年最多的 158 條下降至 2010 年最少的 75 條;再利用 autocorrelation test 加以分析年度趨勢,發現海豚的數量 在三個...
...。高速渡 輪所發出的聲響,亦遠高於沒有太多船隻出現的水域之背景噪音水平,此證明當 一些繁忙航道與海豚重要生境重疊,行經該航道的高速船所發出的聲響將大幅提 高水底噪音的水平,而影響海豚在該處的活動。由於這些船隻以高速航行,當它 們在短時間內靠近海豚時,牠們未必有時間作出合適的反應以遠離這些船隻;若 同時有數隻高速船在海豚周圍掠過,尤其是當這些船隻航行的速度、及與海豚保 持的距離經常改變以致難以揣測,海豚為要逃避船隻而所承受的壓力亦因而增 加,令牠們更易被高速船所撞擊,或逼使牠們放棄一些原適合作覓食活動的生境。 另一項有關高速渡輪對本地中華白海豚及江豚的影響評估發現,在 1999- 2010 年間,來...
... untitled 香港昆蟲名錄 劉紹基 CHECKLIST OF INSECTS OF HONG KONG Clive Siu Ki Lau 漁農自然護理署 Agriculture, Fisheries and Conservation Department 作者:劉紹基 漁農自然護理署 植物及除害劑監理科 高級農業主任 © 2019 作者 版權所有。未經作者事先書面同 意,不得以任何電子或機械形式 或方法影印、錄製或其他方式複 製本書的任何部分。 出版:漁農自然護理署 ISBN 978-988-12022-9-1 本書所表達的純屬作者的觀點, 並不一定代表出版者的立場。 免責聲明:作者並不...
... addressed to the Chairman, Tender Opening Committee, Government of Logistics Department and be deposited in the Government Logistics Department Tender Box situated at the lift lobby on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong before the Tender Closing Date. The...
..., Tender Opening Committee, Government Logistics Department must be deposited in the Government Logistics Department Tender Box situated on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong. before 12:00 noon (time) on 20 January 2025 (date) (Hong Kong time). Late Tenders...
..., Tender Opening Committee, Government Logistics Department must be deposited in the Government Logistics Department Tender Box situated on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong. before 12:00 noon (time) on 20 January 2025 (date) (Hong Kong time). Late Tenders...
... Opening Committee, Government of Logistics Department and be deposited in the Government Logistics Department Tender Box situated at the lift lobby on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong before the Tender Closing Date. The envelopes must not bear any...
... addressed to the Chairman, Tender Opening Committee, Government of Logistics Department and be deposited Tender Ref.: AFCD/SPT/09/21 Terms of Tender Sheet 21 in the Government Logistics Department Tender Box situated at the lift lobby on Ground Floor, North Point Government Offices, 333 Java Road, North...
... deposited in the Government Logistics Department Tender Box situated at the lift lobby on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong before the Tender Closing Date. The envelopes must not bear any indication which may relate them to a particular Tenderer. Late Tender...
... Committee, Government of Logistics Department and be deposited in the Government Logistics Department Tender Box situated at the lift lobby on Ground Floor, North Point Government Offices, 333 Java Road, North Point, Hong Kong before the Tender Closing Date. The envelopes must not bear any indication which...