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- Before 1980, a single tower with a high-powered transmitter might cover an entire city, but limited spectrum availability meant that it could not serve many customers. 1980年代之前,一座有著高功率发送机的无线电塔,就足以涵盖整著城市,但可取得的频谱有限,因此能服务的顾客不多。
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车,但是拉不动。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Nothing could avail the dying patient. 没有任何东西能挽救那个濒死者
- The advice we got was of no avail. 我们得到的建议完全没用。
- Such a statement will not avail. 这样的声明没有什么用。
- The medicine did not avail against the disease. 这种药对这种病没有产生疗效。
- Speeches and protests were of no avail. 演讲和抗议全都徒劳。
- We tried to revive him but without avail. 我们试图使他苏醒,但没有成功。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- There's a wide spectrum of opinions on this problem. 对这个问题的说法众说纷纭,莫衷一是。
- In the spectrum, distinct colours shade into each other. 在光谱中,截然不同的颜色相互融合起来。
- There is a wide spectrum of opinions on this question. 在这个问题上有著各种不同的意见。
- spectrum availability 频谱可用性
- The doctors tried everything to keep him alive but to no avail. 医生们曾竭尽全力抢救他的生命,但却徒劳无功。
- He tried and tried but all his efforts were of no avail. 他试了又试,但一切努力都不起作用。
- It will avail them to dispose of their booty. 转让赃物对他们来说是有利的。
- I'm afraid my help didn't avail you much. 恐怕我的帮助对你用处不大。
- It uses spread spectrum technology. 它使用扩频技术。