| 1. | Irrigation is needed to make crops grow in dry regions . 干旱地区需要灌溉才能使作物生长。 |
| 2. | In dry areas an organic sheet may be helpful and improve survival . 在干旱地区用有机质纸张可能有助,能提高成活率。 |
| 3. | Figure 4 depicts character convergence in different species using an example from an arid region . 图4用干旱地区的一个例子描绘了不同种的性状趋向性。 |
| 4. | In more arid area, man probably watched wild horses, wolves, and other animals dig for water and followed their example . 在较干旱地区,人类大概是看到野马、狼和其它动物发掘地下水,从而受到启发而学习它们的作法。 |
| 5. | Irrigation is needed to make crops grow in dry areas 要使庄稼在干旱地区生长就需灌溉。 |
| 6. | Trial of high quality herbage introduction in arid area 干旱地区优良牧草引种种植试验的研究 |
| 7. | Study and application of semiarid area water bearing capacity 半干旱地区水资源承载力研究及应用 |
| 8. | Agricultural research in the arid areas 干旱地区农业研究 |
| 9. | Experimental study on the condensation water in arid area , northwestern china 西北干旱地区凝结水试验研究 |
| 10. | Cacti live in dry regions 仙人掌生长在干旱地区。 |