couple: n.1.一对，一双。2.配偶，夫妇，未婚夫妻，一对舞伴。3.〔口语〕交媾；【物理学】力偶；电偶；【天文学】联星。4.〔口语〕(少数)几个，两三个。短语和例子an old couple老两口儿。 a married couple夫妇。 a pack of 20 couple二十对的一群猎犬。 a thermo-electric couple温差电偶。 a couple of
Two servo system outputs are coupled by mechanism framework . they are traversed as same speed instruction and have no direct - coupled connection on electrical parameters 两套伺服系统输出通过机械方式耦合在一起，按同一速度给定信号运动，并无电气参数上的直接耦合关系。
