| 1. | An atom normally contains equal numbers of electrons and protons .
原子在正常情况下含有数目相等的电子和质子。 |
| 2. | An equation is a statement of the equality between two equal numbers or number symbols .
方程是表明两个相等的数或数的符号相等的式子。 |
| 3. | The first snag occurs at some d that is preceded by an equal number of d's and h's .
在某点D第一次出现困难，在其前面有相等个数的D和H。 |
| 4. | Other plankton species in near equal numbers replaced calcareous microplankton as they died out .
钙质微体浮游生物消亡时，已经有近乎等量的其它浮游生物种类代替它们了。 |
| 5. | For well-dispersed pt, all particles are essentially on the surface available for chemisorption by an equal number of oxygen or hydrogen atoms .
对于分散良好的铂，表面上的全部粒子在表面上基本上都能被相同数量的氧原子或氢原子进行化学吸附。 |
| 6. | In an aerosol containing equal numbers of charged particles of both signs, the diffusive encounters for oppositely charged particles are more effective than for uncharged particles .
若气溶胶中含有等量正负带电粒子，那么正负带电粒子间的扩散碰撞比非带电粒子更容易实现。 |
| 7. | There must be an equal number of columns in each of the keys
每个键中列的数目必须相等。 |
| 8. | Peter writes : i have equal number of brother and sister
彼得写：我有的姊妹及兄弟数目是相同的。 |
| 9. | Note : both parameters must have equal number of elements
注意：每个参数所包含的元素数量必须相等。 |
| 10. | Having an equal number of moles
等摩尔的摩尔数相等的 |
