单词tetra-
na.: 四
〔用于辅音前〕四:tetragon
Because Tetra Pak is safe, shelf-life, non-friable, and advantages of the explosion is not easy, but easy to carry and easy to open.
由于利乐包装是安全的，保质期，不易碎，和爆炸的优点是不容易的，但便于携带，易于打开。
Tetra Pak aseptic packaging for milk, one of the general by the paper, plastic, aluminum foil composite material formed.
利乐包装的牛奶无菌包装的，一般一个由纸张，塑料，铝箔复合材料组成。
Selex Communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.
Selex通信公司将提供Tetra移动通信计划，以及HF、卫星和微波无线连接。
Do not clean PC sheets with benzene, gasoline, acetone, or tetra chloromethane .
勿用苯、汽油、丙酮或四氯化碳清；
The tetra shows equal interest in getting at both sword tails. Like humans, tetras are unable to register UV light.
脂鲤对两条鱼表现出同等的兴趣，因为它和人类一样，是无法用眼睛感知紫外线的。
Tetra Pak"s founder Ruben Rausing has a motto for the company - "A package should save more than it costs" .
利乐公司的创始人鲁本劳辛有一个公司的座右铭-“包应比它节省更多的费用”。
The styrene-acrylic emulsion modified by double hydroxyl tetra-coordinated silicon was prepared by free radical emulsion polymerization.
通过乳液聚合方法，制备了双羟基四配位硅改性苯丙乳液；
New optically active tetra-ortho-substituted biphenyl chiral dopants for nematic liquid crystals are described.
描述了一种新型的用于向列相液晶的光学活性四邻位取代手性联苯型掺杂剂。
Use ethylenediamine tetra-acetic acid(EDTA)to clear the root canal, step-back technique to prepare root canal, and fill root canal firmly.
用乙二胺四乙酸（EDTA）冲洗根管，逐步后退法预备根管，严密充填根管。
Therefore, itis very important to develop TETRA digital trunking terminal which has independent intellectual property right.
因此开发具有自主知识产权的TETRA数字集群终端具有重要的意义。