In total, the system is expected to add 150kg of weight to a 9-ton helicopter.
在重量上，这样一个装置需要在9吨重的直升机上另加上150公斤的重量。
Weighing 25 percent less than the conventional 18-mm tube, the 16-mm tube allows four image tubes to comprise a system without adversely affecting the total weight.
这种16毫米管的重量比常规的18毫米管轻25%，可以用4个成像管组成一个系统，而且对系统的总重量没有不良影响。
The results indicated that total launched weight is a effective assessing criterion which can combine both system mass and resistance area into a unified criterion.
发射总重量的评价准则综合考虑了系统质量和阻力面积，能够全面反映系统的经济性能，可以得到很好的优化结果。
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