例句與造句

1. math symbols or something,
   數(shù)學(xué)符號什么的
2. listing 7 shows the macro definition to define math symbols using these functions
   清單7給出的宏定義使用這些函數(shù)定義了算術(shù)符號：
3. in oeder to find out the actual problems in their studying maths symbols, i have done my research on the 18 students from 3 grades in our school, who stand for three levels-a ( high ), b ( middle ) and c ( lower ), by enquiring them face to face, doing examation papers and observation in class . besides, i have done thorough self-questioning from my teaching angle
   研究中，在本校高中三個(gè)年級中隨機(jī)抽取了高(a)、中(b)、低(c)三個(gè)層次的學(xué)生共18人，進(jìn)行面對面地詢問、做測試題、課堂觀察等調(diào)查方式，從中尋找學(xué)生學(xué)習(xí)符號語言時(shí)遇到的困難，并由此從教的角度對問題進(jìn)行了反思。
4. It's difficult to find math symbols in a sentence. 用math symbols造句挺難的