圈指針 的英文怎麼說
中文拼音 [juānzhǐzhēn]
圈指針
英文
aperture needle-
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3 ）然後用食指和拇指，捏住左、右眼袋、向外提起，眼球順時針方向和逆時針方向各旋轉30圈。This article starts with the following aspects to study and solve the following practical problems, 1 the foundation for vessels to keep away from and withstand typhoon the article briefly introduces typhoon ' s weather characteristics, weather structure, number, naming, forming, development and its law of movement. it also discusses the ways and significance for merchant ships to collect in all - round way the information of typhoon and to make spot forecast, doubts the applicability of " barometric daily change correction table ", and puts forward the author ' s view on the judging ways on the ship ' s location in gale circle. this chapter mainly discusses the process of decision - making and the application of technology, brings forward the concepts of the objective, the policy and the ship disaster plan and disaster supply kit. this chapter also approaches the juristical relationship between master and anti - typhoon team leaders, explains the concrete meassures and the keypoit on technological application, and points out the points to be discussed in sector means of typhoon avoidence
船舶避抗臺風基礎本文根據最新資料扼要地介紹了臺風的天氣特徵、天氣結構、編號、命名、形成、發展及其活動規律；討論了民用商船全面收集臺風信息和資料作出船舶現場預報的途徑及其重要意義，對「氣壓日變化訂正表」的適用性提出了質疑，並對船舶在臺風大風圈內所處部位的判定方法提出了自己的見解；本文重點論述了船舶避抗臺風的決策過程和技術應用，提出了船舶避抗臺風的目標、方針和船舶「防抗臺應急包」船舶避臺算機標繪的概念門x討了船k勺公司防抗臺領導小組在船舶防抗臺過甜中的法叫』大系， m述了避抗臺風汀仰拙施和技術的應用要點，井指出了「扇形避離法」的位徘商郴之處。Besides directing compasses, the earth ' s magnetic field reaches out into space to direct the flow of the solar wind around the planet ? forming a structure called the magnetosphere ( depicted above )
地球的磁場效應不僅能夠指引指南針，還能夠將其效應延伸至宇宙空間來指引地球四周的太陽風的流向，這樣就形成了一種稱為「磁氣圈」的結構（如上圖所示） 。
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