您要查找的是不是：
- Run M for i steps on each input, s1,s2,...,si. 因为对每个输入只运行有限步。
- Check[expr, failexpr, {s1::t1, s2::t2, ... 仅对指定的信息进行校验。
- The Turtles had two systems: System One (S1) and System Two (S2). 海龟们有2个系统：系统1和系统2。
- Then on the heart sound envelope, S1 and S2 were recognized. 然后利用数学形态学方法提取心音信号的包络;
- The session key S is divided into a sum of S1 and S2. 摘要将会话密钥S分解成S1与S2之和。
- S1, S2, etc. (=first sacral vertebra; second sacral vertebra(or nerve)etc.;) 第一骶椎，第二骶椎(或神经)等
- In the diagram this is denoted by the arrow from S1 to S2 labeled with a 0 . 在图中这指示为从 S1 到 S2 的标记了 0 的箭头。
- We bought some books, clothes, etc. 我们买了一些书籍、衣服等等。
- They were to take action if it hit their S1 or S2 entry or exit signals. 一旦价格碰到系统1或系统2的进出场信号，就要行动。
- I feel sick, nervous, disappointed, etc. 我感到不舒服、 紧张、 失望等。
- She's a convinced Marxist, Buddhist, etc. 她是坚定的马克思主义者、 佛教徒等。
- She's an antique, a used-car, etc dealer. 她是经营古董、 旧车等的商人。
- She's great at tennis, chess, etc. 她对网球、 象棋什麽的都擅长。
- A cutlery set includes knives, forks, spoons etc. 一套餐具包括刀，叉，匙等。
- The flower show featured roses, peonies, etc. 花展主要展出玫瑰、牡丹等等。
- She regarded him closely, intently, curiously, etc. 她紧紧地、 目不转睛地、 好奇地 ... 注视著他。
- She's got very sensitive hearing, skin, etc. 她的听觉、 触觉等很灵敏。
- The news was greeted by/with cheering, booing, etc. 对这消息欢呼喝采、 嘘声四起等。
- My strength, interest, enthusiasm, etc is flagging. 我的力气、 兴趣、 热情等正在减退。
- Ejection murmurs begin after S1 and are usually crescendo-decrescendo ("diamond-shaped'), ending before S2. 喷射音始于S1后，通常有渐强-渐弱特征，并于S2前结束。
