估算船位 的英文怎麼說
中文拼音 [gūsuànchuánwèi]
估算船位
英文
estimated position-
( 2 ) the fishing gears in hejiang section were divided into drift trammel net, set longline and jig according to the fishery status in hejiang section. " number of fishing boat day " was selected as the unit of fishing effort. the annual catch of the four kinds of fishing gears was get from multiplying catch per unit effort ( cpue ) by fishing effort
（ 2 ）根據合江江段的漁業現狀，將該江段的漁具分為三層流刺網、餌釣、滾鉤和其它偶見漁具四類，以「船?天」作為捕撈努力量的單位，用單位捕撈努力量漁獲量（ cpue ）乘以年捕撈努力量分別得到這四類漁具的年漁獲量，並將這四類漁具的年漁獲量相加估算出合江江段1999 - 2002年的漁獲量分別為104563 . 464kg 、 65564 . 231kg 、 123684 . 966kg和107285 . 272kg 。From the study results it is showed that turret hole position near the forward of the midship has less effect to the ship girder strength and it is more reasonable using probabilty statistics method to estimate the extreme value of wave bending moment, by which the first approximate value of hull midship section modulus can be determined
研究結果表明：轉塔開孔位置在舯前附近對船體總強度影響不大；波浪彎矩極值用概率統計方法估算更為合理；船體結構剖面模數的第一近似值可用波浪彎矩設計極值等來確定。Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied
建立了完整的u型減搖水艙系統設計程序；總結了u型減搖水艙尺度設計；提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素，選取可控被動式減搖水艙固有頻率的新方法；分析了u型減搖水艙阻尼的形成原因，給出了估算水艙阻尼和設計水艙阻尼結構的方法；研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。Based on lots of drawings, authors analyze lightweight and center of gravity of small wooden fishing vessel of hard dine at yellow sea and bohai sea, and put forward formulas for calculating lightweight and center of gravity, which can be used as reference for design of small wooden fishing vessel of hard dine
摘要在收集大量圖紙資料的基礎上，對黃、渤海區小型折線型木質漁船的空船質量及重心位置進行了統計分析，並提出了空船質量及重心位置的估算公式，供設計折線型木質漁船時參考。In the chapter 3, it mainly deduces the mathematic models of six factors of the target ship and the problems of " given point " and " well - timed point " in the plane orthogonal reference frame. also it can calculate the standard results of each assessment factor by means of these mathematic models
第三章主要是在雷達標繪平面直角坐標系中，推導出目標船六要素、 「預定點」問題和「時機點」問題的數學解析模型，武漢理廠大學碩十學位論文並且通過這些數學模型計算出各個評估要素的標準值。分享友人