doubling
['dʌbliŋ]
n. 加倍；并线；折回；防护板；衬里
v. 使加倍；使成双（double的ing形式）；绕过；握紧
adj. 双重的；折叠的
同义词
参考例子
1.Polyploids can arise by somatic doubling, by the fusion of unreduced gametes, and by means of a triploid bridge.
多倍体产生与体细胞染色体的加倍、未减数配子的融合以及一种叫三倍体桥的方法。
2.Show that doubling the transmission frequency or doubling the distance between transmitting antenna and receiving antenna attenuates the power received by 6 dB.
证明：当传输频率增加一倍或者源天线与目的天线的距离增加一倍时，衰减功率等于6分贝。
3.The screen is divided into halves, and each half is scanned simultaneously, thereby doubling the number of lines refreshed per second and providing a sharper appearance.
萤幕被分成两半，并且一半每一个被同时扫描，因此使加倍线的数量每秒和提供一个骗子恢复精神外表。
英文解释
n.
1.increase by a factor of two
2.raising the stakes in a card game by a factor of 2
网络释义
DOUBLING
并线; 加倍; 折叠; 重复;
doubling plate
覆板; 加强板; 加强钢板; 复板加强板;
Doubling winders
络并机; 老西整理>络并机;
doubling up
兼署理较高职级; 加双绑;
doubling strake
二重列板;