| 1. | The effects of guanethidine are cumulative over extended periods .
胍乙啶的作用是蓄积性的，且可维持较长时间。 |
| 2. | The harvest of wild species in the oceans and fresh waters of the earth appears to be approaching its maximum sustainable limit .
对地球上海洋和淡水中野生种的捕捞看来已达到其可维持的极限。 |
| 3. | Our food supplies will hold out for another week
我们的食物供应可维持到下周。 |
| 4. | Such practices will maintain employees enthusiasm in the job
这样才可维持雇员对工作的热诚。 |
| 5. | Looking ahead , external trade should maintain solid growth in 2004
展望今年，外贸应可维持稳健增长。 |
| 6. | Looking ahead , external trade should maintain solid growth in 2004
展望今年，外贸应可维持稳健增长。 |
| 7. | This helps to maintain breastmilk supply and prevent engorgement
这样既可预防乳胀，又可维持乳汁供应。 |
| 8. | 48 . looking ahead , external trade should maintain solid growth in 2004
48 .展望今年，外贸应可维持稳健增长。 |
| 9. | The strong order book points to sustained growth momentum for this business segment
针织布匹的强劲订单情况显示有关业务将可维持增长。 |
