It is even worse that the backward condition remains unchanged and all new products have to be suitable for backward situation.
更为严重的是，这种落后的状况维持不变，而所有的新产品都必须适应落后的使用条件。
Text summarized experience of frozen bedrock dynamited construction during condition of distinguishingly freezing and backWard techniques of construction.
本文总结了在落后的施工工艺和特殊冻结条件下的冻结基岩爆破施工方面的经验。
In this paper, we result a sufficient condition of supercyclic operators from operators commuting with generalized backward shift operators.
本文得到与广义移位算子交换的算子成为亚循环算子的一个充分条件。
应用推荐