radius中文

• n.
  (pl.radii )
  1.半徑；半徑范圍。
  2.【解剖學】橈骨。
  +更多解釋...3.(車輪的)輻；【物理學】輻射線；【無線電】徑向射線；輻射物；(六分儀等的)針；【紡織；印染】杼。
  4.【植物；植物學】射出花。
  短語和例子
  within a radius of three miles 在周圍三英里以內。 the flying radius 飛行半徑；(加一次油的)飛行距離。 a radius of action 【軍事】行動[活動]半徑[所及范圍]；航程；續航距離；續航力。 radius of convergence 【數學】收劍半徑。 radius of curvature 【數學】曲率半徑。

• no-radius:    零半徑
• absence of radius:    橈骨缺失
• action radius:    【軍事】行動半徑。

例句與用法

1. The radius expands markedly at its lower end .
   橈骨下端明顯擴張。
2. The saddles must have a generous radius .
   馬鞍必須有足夠的半徑。
3. The radius represents the advancement index .
   輻枝代表進化指數。
4. One solar radius equals 696, 000 kilometers .
   一個太陽半徑等于696，000公里。
5. The beam bends to a circular profile of radius r .
   梁彎曲成半徑為R的園形形狀。

英文釋義

名詞

1. support consisting of a radial member of a wheel joining the hub to the rim
   同義詞：spoke, wheel spoke
2. the length of a line segment between the center and circumference of a circle or sphere
   同義詞：r
3. the outer and slightly shorter of the two bones of the human forearm
4. a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles"
5. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

百科釋義

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for computers to connect and use a network service. RADIUS was developed by Livingston Enterprises, Inc.