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Huanghe River flood control
释义
Huanghe River flood control
Encyclopedia
工学
〔主要江河防洪〕
释
Huanghe River flood control
黄河防洪
黄河洪水按其成因可分为暴雨洪水和冰凌洪水两个类型。黄河流域属于东亚季风气候区域,暴雨洪水发生在7~10月份,称为伏秋大汛。冰凌洪水(见凌汛)在宁夏、内蒙古(简称宁蒙河段)河段多发生在3月份,在下游河段多发生在2月份。
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optical parametric oscillator, OPO
optical particle counter
optical particle counters
optical particle measurement
optical path
optical path difference
optical-path-difference aberration curves
optical path length
optical path length equalizer
optical pen
optical performance measurement
optical phase
optical phase conjugation
optical phase control technology
optical phase encryption
optical phase lock loop
optical phonon
optical pickup
optical pickup head
optical pickup, optical pickup head
optical picture
optical plastic
optical plastics
optical plumment
optical plummet
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更新时间:2026/9/29 3:28:27