旋繞比 的英文怎麼說
中文拼音 [xuánràobǐ]
旋繞比
英文
spring index-
How fast an object revolves depends on how much matter inside its orbit. if all the matters are visible, the orbital velocities of stars, say, near the edge of our galaxy will follow the red line below. however, we discovered that they are moving faster than expected, hence there must be more matters than we have seen
天體的公轉速度，取決于在它軌道內的物質的總質量，如果所有物質都是看得見的，那麼繞著銀河系旋轉的軌道，理應如紅線所示，但是天文學家卻發覺它們比想像中走得更快，暗示銀河系的質量比所見的大。Although the accuracy in meterological forecast of tropical cyclones has been distinctly improved, it is still a difficult problem confronting masters and anti - typhoon team leaders of the companies how to steer clear of typhoon reasonably and safely in case that the actual resistance to typhoon is strong enough, the sea area wide enough, and the time permitting ; to avoid unreasonable deviation, anchoring for shelter, blindly rushing onto her path, being involved in storm area, even into the the center of typhoon ; under the limitation of the condition of the sea area and time. how to take correct meassures to escape, such as navigating with wind or windward in bias angle, slowing down, anchoring, berthing alongside the warf, mooring to buoy, etc. as early as possible
盡管氣象部門對熱帶氣旋監測預報的準確率已經比過去有了明顯的提高，然而船舶在海上如何避離臺風，如何做到在本船實際抗風能力允許、海域條件允許、時間也充裕的前提下合理避臺，安全避臺，避免不合理的繞航、 「扎風」 ，避免盲目冒進「搶風頭」 ，更避免被捲入強風區甚至臺風中心；在海域條件受限、時間尷尬的情況下又如何正確採取偏順航、偏頂航、滯航、錨泊、系岸、系浮等抗臺措施和技術，盡快擺脫臺風的影響，仍然是擺在船長和公司防抗臺領導小組面前的一個實實在在的難題。Adjacent elements in a row differ from one another by a proton in the nucleus and an electron orbiting that nucleus
每一行中比鄰的兩個元素的區別是原子核中的質子和圍繞它的旋轉的電子的不同。Overlap between the second hand and minute hand, or the 11th overlap between the minute hand and hour hand, which is 12 hours later. actually it is easy to see this must be one of the answers. but it is a bit surprising that they simply do not overlap at other times
天文學家斯特格及奧爾特在1950年提出在太陽以外五萬個天文單位的地方，有一個包圍著太陽系，以太陽為中心旋轉的雲團，我們所見的長周期彗星，就是從這個彗星雲又稱為奧爾特雲而來，估計那裡有1 ， 000億顆彗星，其總質量比地球質量小，繞太陽公轉一周需時數百萬年。This short - arc coupled with the low pendulum effect achieved by pivoting the disc through a point near its center of gravity assures rapid closure
繞軸旋轉的閥瓣的重力中心距軸心較短，因此這種短弧的鐘擺效應也比較小，從而確保能夠迅速關閉。Through contrasting the music essential factors of two kind of forms, such as melodies, rhythm, musical form structure, timbre, dynamics, speed feeling, it is proved that multi - channel surround sound can raise more artistic appreciation level of university student than the stereo sound technology in music appreciation class
通過學生對兩種格式的旋律、和聲、節奏、曲式結構、音色、力度、速度等音樂要素的感受的對比分析，得出運用多聲道環繞聲技術的音樂欣賞課比運用立體聲技術的音樂欣賞課更能提高大學生的藝術欣賞水平和修養水平。It involves the way of measurement and control strategy. this article focuses on measurement and control of resin viscosity in microcomputer control fiber winding machine or dipping glue machine
本文研究的是應用於微機控制纖維纏繞機或浸膠機的樹脂粘度的測量與控制，根據實際情況選擇性價比高且操作簡單的單筒式旋轉測量法測量樹脂粘度。Anti - aircraft cannon ( aa ) : these cannon have the same properties as anti - tank cannon ( direct fire only ) but rotate much more quickly ( the cannon can revolve and is fixed on a stationary base ), and they can target aircraft
防空加農炮（ aa炮） ：這些加農炮與反坦克加農炮類似（只能進行直接瞄準）但是能夠比反坦克炮更快的旋轉方向（這種炮被連接與一個固定臺座上能夠繞軸旋轉） ，同時它們能夠瞄準飛機射擊。This machine is newly researched and designed by our factory based on the model of combined cam, it winds up the plastic tape by the back and forth movement of the swinging stem driven by the cam
採用心型凸輪的旋轉來帶動擺桿作來回移動而卷繞成形。比原往復絲桿的結構運轉更加輕松If stars are born in the gas before the galactic cloud becomes rotationally supported, the stars will maintain their individual orbits around the galactic center, creating an elliptical galaxy
如果恆星在氣體中的誕生比星系雲變為旋轉性支撐早，那麼恆星將會各自保持其繞轉星系中心的軌道，因而形成橢圓星系。Several forces are discussed to show the effect on stability. attitude feedback control stability is analyzed based on the close loop stability criterion, which gave a reference for attitude control system design of spinning ballistic missile
本文圍繞彈道導彈自旋飛行的幾個動力學與控制問題，進行了比較系統深入的研究，獲得了若干有意義的結論。分享友人