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- The importance of identifying the trace component in pheromone chemical communication system of insects is emphasized. 强调了性信息素微量成分鉴定工作在昆虫化学通讯系统研究中的重要性。
- DMS is a trace component of Beer the exist of DMS influence the savour of the Beer.The composition state simply thot the formation of DMS and the control measures. 二甲基硫是啤酒中的一种微量成分;它的存在影响啤酒的风味.;该文简述二甲基硫的形成过程以及对其控制的措施
- Otherwise,there are trace components such as alcohols,esters,acids and aldehydes etc.in it.Alcoholic beverages have high medicinal value. 其中含有酯类、醇类、酸类、醛类等微量成分。
- A new sample preprocessing device based on support,delivery and compositive distillation technique,which can was first used to complete the extractions,eparation and concentration of trace components. 探索一种新型的样品前处理装置,运用载体、携带体和综合蒸馏技术完成了待测样品中微量成分的提取分离和富集。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- Surprise is an essential component of my plan. 我这项计划主要就是想使大家惊喜一下。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- Brimstone is a component part of explosive. 硫磺是炸药的一种组成成分。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- A faint or fleeting indication; a trace. 模糊的暗示模糊的或一闪即逝的暗示; 迹象
- The country woke from her trace of two hundred years. 这个国家在沉睡了200年之后觉醒过来了。
- The rain flushed away the trace left by the criminals. 大雨把犯罪分子遗留的痕迹冲刷掉了。
- A slight trace of color; a tinge. 色调轻微的一抹颜色; 色调
- Air force is an important component of national defense. 空军是国防的重要组成部分。
