1·Due to the behindhand economic and natural limit, all the problems about water shortage, water quality safety and non-convenient transportation need be settled immediately.
由于落后的经济自然条件限制，如何妥善解决关于水资源短缺，水质安全保障和不发达的交通问题都是当务之急。
2·The aim is to provided some feasibility idea of low cost environment space art for economy behindhand region.
旨在为经济落后地区地方化的低造价环境艺术空间建设方面提供一些可行的思路。
3·The liner's taper parameter impacts to the further improvement of the missile and the cannonball's performance directly, however, the current taper detection means is quite behindhand.
药形罩的锥度参数直接影响导弹及炮弹的性能，然而当前国内的锥度检测手段十分落后，锥度检测已成为阻碍进一步提高炮弹性能的重要因素。
4·That the performance on the footplate is bad, bad technique for landing and that behindhand flight part are all technical problems.
技术上的问题表现为踏板准确性不高、落地技术较差以及腾空技术落后。
5·So we should change the behindhand situation and resolve the two main problems as soon as possible.
因而，改变国内的落后现状和解决两大问题刻不容缓。