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- The difference between black and yellow color in Labrador retrievers stems, for instance, from a single base change that inactivates a signal receptor in the pigment cells of yellow dogs. 比方说，拉布拉多犬的黑、黄毛色差异，是来自单一碱基改变，造成黄色拉不拉多犬的色素细胞讯号受体不活化。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- Because CD44 is a signaling receptor that plays an important role in myelopoiesis, it may be used as a target molecule to induce terminal differentiation and apoptosis in AML cells. HI44a对AML白血病细胞及白血病细胞系THP-1抑制增殖、诱导分化、凋亡作用机制的研究。
- Her speech yesterday was a signal that her views have changed. 她昨天的讲话标志著她的观点已经转变。
- I'll cue you in (ie give you a signal to start) by nodding my head. 我一点头，你就开始。
- I'll say `One, two, three, go!' as a signal for you to start. 我喊｀一、 二、 三、 开始!＇你就开始。
- You can yank on the rope as a signal. 你可以猛拉一下绳子作为信号。
- He raised his arm as a signal for us to stop. 他抬起手臂示意我们停下。
- The sympathetic vibration of a circuit to a signal. 一个电路对某一个信号共鸣的振荡。
- The transponder automatically sends out a signal. 发射机应答器便会自动发出信号。
- Something, such as a signal, that warns. 警报能起警告作用之物或事，如信号
- A group of flags raised together as a signal. 作为信号一起扯起的一组旗
- The flagship flashed a signal to the fleet . 旗舰向舰队发出闪光信号。
- The flagship flashed a signal to the fleet. 旗舰向舰队发出闪光信号。
- They will fire off a signal flare. 他们将发射一发信号弹。
- The radio is giving out a signal. 这收音机发出了一种信号。
- a signal receptor 信号接收器
- They sent a signal for help by radio. 他们通过无线电发出求救信号。
- An undesired change in the waveform of a signal. 信号波形非想象的变化
