Balzers 1 and 2 fluidsoxygen free nitrogen(OFN)以上两个短语什么意思.

Balzers 1 and 2 fluidsoxygen free nitrogen(OFN)以上两个短语什么意思. 谁能帮我翻译啊 A homogeneous Eulerian–Eulerian multiphase flow model coupled with a volume-of-flui i have the flui have a cold生病 什么情况下用 the 什么情况下用 asore eyesi have sore eyes 是这样子写吗? Up And Down (Parts 1 And 2) 歌词 A bird has (1)feathers and wings (2)paws and fur(3)fingers and feet 1C and 2C printing是什么意思 Tier-1 and Tier-2 capital 1/2 and 3/4 thickness. 英语翻译Come on ,children .Help yoruselves to some —— if you like .1 fish and chicken 2 fishes and chicken3 fish and chickens 4 fishes and chickens 以下这段DB2的SQL文 应该如何理解SELECT * FROM aa WHERE a IN ('1','2','3','4') AND b = '000' AND c = '0B' AND d = '00' AND ((e = '0' AND f '6' AND (g > '20130816' OR (h = '20130816' AND i > '1044')) AND j '****') OR (k = '1' AND l = '1')) VB 这个代码怎么样简写If i y(0) And i y(0) + 1 And i y(0) - 1 And j y(1) And j y(1) + 1 And j y(1) - 1 And k y(2) And k y(2) + 1 And k y(2) - 1 And _Abs(i - j) > 1 And Abs(i - k) > 1 And Abs(j - k) > 1 Then后面abs就不用了,前面的有 and 1=1 ,and 1=2这是什么语言?有什么含义? 习题1和习题2 怎么翻译?是exercise1 and 2还是exerciese1 and exercise 2 oracle and里面嵌套and问题我想知道and()这个语法是什么意思?还有and t22.busType in ('4','6','7') or t11.maType'2'这个语法是什么意思?and t22.num is not null and (t11.type in ('1','2') and t11.maType='2' and t22.busType What is NOT true about Porgy and Bess?1、Porgy and Bess is an opera.2、Porgy and Bess appeared in 1935.3、Porgy and Bess was written by Leontyne Price.4、Porgy and Bess is about summer.应该选什么? And and and