您要查找的是不是：
- Ground Composite Signal Mixer 地面合成信号混合器
- Composite Signal Mixer 复合信号混频器
- In this paper，a novel method for extracting fetal electrocardiogram（FECG） from abdominal composite signal of a pregnant is proposed. 摘要 针对胎儿心电难以提取问题，提出一种从母体腹壁混合信号中提取胎儿心电的方法。
- For one is beautiful is the brand, from direct current to gigacycle per second analogy, the composite signal, the radio frequency, the optical fiber, the micro controller and corresponds IC to have. 为一美系品牌，从直流到千兆赫的类比、混合信号、射频、光纤、微控制器及通信IC均有。
- Composite Signal Multifrequency Dialling 复合信号多频拨号
- composite signal multifrequency dialing 复合信号多频拨号
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。
- Last winter the snow lay thick on the ground. 去年冬天，地上积雪很厚。
