r and中文什么意思

• rr and r, r & r
  1.＝rest and recuperation (leave) 【美军】(正常例假以外的)休整假期。
  2.rock'n'roll 摇滚舞(曲)。
• 每年给予美国军人除三十天例假外的五天休养假

• r:     r ＝ 1.refrigerator. 2. ...
• a r:    简写的; 约略
• r:     R＝80000。 the ‘r' [R] months 九月到四月〔牡蛎当令的季节，月名都含有 r 字〕。 the three R's (作为初等教育基础的)读写算 〔reading, writing, arithmetic〕。 R ＝ 1.〔拉丁语〕 recipe 【医学】处方。 2.radical. 3.Reaumur. 4.〔拉丁语〕 Rex, Regina. 5.radius. 6.ratio. 7.resistance. 8.retree. 9.roentgen. 10.range. 11.registered. 12.rifle. 13.regulating. r ＝ 1.refrigerator. 2.rod.
• r a:    抽油杆和油管
• r of s:    系统复查,系统回顾

例句与用法

1. The torque i acting on a particle is defined as the cross product of r and the force acting on the particle .
   作用于粒子上的力矩I定义为r与作用在粒子上的力的叉积。
2. With that rolling r and all that roaring
   .卷着舌头说r ，一字一句咆哮着
3. Joe literally launched out during his r and r
   乔在休养期间大肆挥霍。
4. Evolution of centralization system of u . s . s . r and its inspiration
   苏联集权体制的嬗变及启示
5. Tell them we going for a little r and r
   我告诉他们我们去做石油生意