This work was supported by the National Key Basic Research Foundation (Grant No. G1999075405); the National Nartural Science Foundation of China (Grant No. 19773002).
Using the 3-m radio telescope of KOSMA, we mapped 12CO (J = 3-2) lines for three molecular clouds, B35, S146 and TMC-2A. High-velocity molecular outflows are found in all these regions. The physical and dynamical pa-r...