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- Injection density is often used as a rule of thumb to estimate the difficulty of curing resonant combustion. 时常把喷射密度作为一个经验法则来估计解决共振燃烧问题时的困难。
- Since injection density cannot be varied independently, it is difficult to show conclusively its effect on combustion stability. 由于不可能独立地改变喷射密度，要确定地指出喷射密度对燃烧稳定性的影响是很困难的。
- Did you have gas or an injection? 你是用的麻醉气还是打的麻醉针?
- The density of population in this city is very high. 这个城市的人口密度非常高。
- I had a bad reaction after my typhoid injection. 我注射了伤寒针剂后产生了不良反应。
- The morphine was administered by injection. 那吗啡是注射进去的。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- We hope to inject new life into our business. 我们希望使我们的业务工作充满朝气。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The population density is evened out. 种群密度亦趋于均匀化。
- We hope to inject new interest into our work. 我们希望使我们的工作饶有趣味。
- The doctor gave her an injection to alleviate the pain. 医生给她注射以减轻疼痛。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- Control group use inject muscle pethidine. 对照组采用常规肌肉注射止痛剂哌替啶。
- This wave of excess density is sound. 这种过剩密度的波就是声波。
- The density logger consists of a radiation source. 密度测井仪包括辐射源。
- We need an injection of new blood with fresh ideas. 我们需要有新观念的新人。
- Methods Investigating the rodent density by ELTON. 方法用ELTON夹夜法对鼠密度进行调查。
- An injection of penicillin costs about2 yuan. 打一针青霉素约花两块钱。
