| 1. | Personal collecting expeditions may be necessary to obtain seed from countries with less developed road systems .
在交通不发达的国家可能需要亲自远征采集才能弄到种子。 |
| 2. | We patterned our road system on theirs
我们的公路系统是照他们的系统设计建造的。 |
| 3. | The economic benefits of shanghai inner ring elevated road system
论上海内环线高架道路系统的经济效益 |
| 4. | Study on the problem of the fair charge in the toll - road system
关于收费公路制度中收费公平问题的探析 |
| 5. | They are devising a road system
他们在设计道路系统。 |
| 6. | The new road system permits the free flow of traffic at all times
新的道路系统可使车辆在任何时候都畅通无阻 |
| 7. | Simulation and application of container port harbor operation and road system
集装箱码头港区作业及道路系统的仿真和应用 |
| 8. | The road systems are inadequate , having been built for much lighter use
被建来为少得多的交通流量服务的道路系统，现在不够用了。 |
| 9. | Urban road system
都?道路系统 |
| 10. | At present , investments in the road system are based on clunky cost - benefit calculations
目前，道路系统投资还是基于古老的成本收益算法。 |
