even number造句 31. If a rectangle can be covered using these tiles then covering an even number of tiles. 32. Under different surface field, the odd number layer films have different phase structures and phase sequences with the even number layer ones. 33. The sum of any two elements has an even number of prime factors. 34. NOTES: 1. Bottom diameter for even number of teeth, Caliper diameter for odd number of teeth. 35. Your aim is to have an even number of 1's in each row and each column.