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- primary signal face 主信号
- Generally the components of the signal that are in phase and out of phase with the primary signal are plotted separately. 一般都分别划出与原始信号同相和异相的信号分量。
- ICAO requires flight crew to be able to recognise the primary signal aviation colours of red, green and white, with blue and yellow as supplementary colours. 国际民航组织要求机组人员能够识别的信号航空的主要颜色的红，绿，白色，蓝色和黄色作为辅助颜色。
- Apoplast is an important compartment outside of plasma membrane of the plant cell and is the source of various primary signals. 摘要细胞质膜以外的质外体是植物细胞的重要组成部分，质外体是植物细胞的重要信号源和细胞器。
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- ratio of the three colour primary signals 三基色信号比
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
- He only accepted the primary education off and on in his childhood. 他小时候只断断续续地接受过初等教育。
- The primary reason for advertising is to sell more goods. 做广告的根本目的是要多出售货物。
- signal face 信号表示面
- Collins was nosed out by his opponent in the primary. 柯林斯在初选中就被他的对手击败了。
- Not derived from something else; primary or basic. 基本的不是从它物派生的; 原本的或基本的
- We lost the New Hampshire primary. 我们在新罕布夏州的初选失利了。
