... 基准器；标准具 etalon 醚值ether value 欧拉数 Euler number ...
双语例句
1
Ether is the smallest of particle, it has two basic attributes: charge and quality, and the charge and quality are fixed value, there were four kinds of Ether particles.
以太是最小的粒子，它具有电荷和质量两个基本属性，而且电荷与质量都是固定的值，共存在四种以太粒子。
2
The product controls the HLB value of synthesized surfactant by adjusting the epoxy ethane adduct number of the fatty alcohol polyoxyethylene ether.
该产品通过调整脂肪醇聚氧乙烯醚的环氧乙烷加成数来控制所合 成的表面活性剂的HLB值。
3
Methyl tertiary butyl ether (MTBE) is a new gasoline additive used to increase gasoline octane value and decrease the exhaust of some harmful pollutants, but there is still debate on its toxicology.