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- An endogenous peptide in a higher plant was first reported as a defense signal named systemin in 1991. 然而，在植物上1991年才首次报道名叫系统素的伤害信号物质的内生多肽。
- Salicylic acid, jasmonic acid and ethylene are plant hormones that conferred defensive signaling in plant.The defense pathway which they induced had been studied well. 摘要乙烯、水杨酸和茉莉酸是植物体内主要的几个防御信号途径，也是研究比较多的几个信号途径。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- The defense was overwhelmed by superior numbers. 防守被优势的兵力摧垮了。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- She spoke up in defense of her political beliefs. 她为她的政见力辩。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- He was called as a defense witness. 他被传唤作被告的证人。
- Several nations formed a defense league. 几个国家结成了防御联盟。
- He was the then secretary of Defense. 他是当时的国防部长。
