doughnut shaped 中文意思是什麼
doughnut shaped
解釋
環形的-
The mountain is encircled by the doughnut-shaped depression of the caldera.
山為環形的破火山口窪地環抱著。 -
As the cloud collapsed under its own weight and rotated faster, some material was spun into a doughnut - shaped disk
當雲彩崩潰了在它自己的重量之下和快速地轉動了，一些材料轉動了入一張油炸圈餅形盤。 -
To keep astronauts in the equivalent of an equatorial region, the living quarters of the spacecraft would have to be doughnut - shaped
為了讓太空人保持相當于赤道區的狀況，太空船的活動區必須做成甜甜圈狀。 -
That technique uses a magnetic field to hold large volumes of the same isotopes of hydrogen inside a doughnut - shaped vessel, called a tokamak
磁約束聚變的方法就是利用磁場，將大量氫的同位素維持在環形容器（稱為托卡馬克）中。 -
Many high - power microwave ( hpm ) sources utilize an azimuthally symmetric output mode such as the tm 01 circular waveguide or the coaxial tem mode as output mode. if radiated directly these azimuthally symmetric modes will generate a doughnut - shaped pattern, with a null on boresight
許多高功率微波源產生的微波模式都是圓波導軸對稱模式，由於其輸出埠的口徑場分佈具有圓對稱性，將導致軸向為零的環狀遠場方向圖。
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