With the development of economy society water right transferrer has been the important work in the period of JiLin Province in the future .

随着经济社会的发展，水权 农转非已成为吉林省在今后 一定时期内 水权 制度 改革的重点。

The sound tranfer loss of 2 kind of muffler structures are calculated then tested and verified on the double sound transferrer random exciting exhaust muffler testing rig .

利用 此种 矩阵，计算了两种结构的消声器的传递损失，并在双 传声器随机激励消声器试验台上进行了试验验证。