second of arc

基本解釋

• 弧秒

英漢例句

雙語(yǔ)例句

• One second of arc movement is one thirtieth of a millimetre.
  一弧秒的移動(dòng)是一毫米的三十分之一。
• When rotatory table is control by step motor with 360:1 reduction rate worm barring gears, one second of arc resolution can be achieved.
  儅步進(jìn)電機(jī)通過(guò)360：1減速比蝸輪副控制鏇轉(zhuǎn)工作臺(tái)時(shí)，可獲得1角秒的分辨率。
• Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
  弧銲電源一次逆變控制電流快速動(dòng)態(tài)過(guò)程，二次逆變控制電弧極性。

權(quán)威例句

• The largest optical telescopes on earth can distinguish between things that are separated by about one second of arc (a 1, 296, 000th of the celestial equator).
  ECONOMIST: Pulsars: In a wink The
• Its resolution is 30 billionths of a second of arc.
  ECONOMIST: Pulsars: In a wink

• second of arc更多例句

詞組短語(yǔ)

短語(yǔ)

• second d of arc 角秒

• second of arc更多詞組

專(zhuān)業(yè)釋義

天文學(xué)

• 角秒

經(jīng)濟(jì)學(xué)

• 弧秒