T形均质杆OABC以匀角速度ω绕O轴转动，如图示。已知OA杆质量为2m，长为2l，BC杆质量为m，长为l。 T形杆在该位置时对O轴的动量矩为___。
The substituted 1,2-diaminoethane is best added as the free base. If the free base is not obtainable or its use impractical, a base unreactive toward displacement of the pyrimidine halogen, for example triethylamine, can be added to the reaction as a halide scavenger. If desired, such a ...
# Best Shadowrocket Rules (https://github.com/h2y/Shadowrocket-ADBlock-Rules) # by Moshel # build time: 2020-02-05 10:01:18 [General] bypass-system = true skip-proxy = 192.168.0.0/16, 10.0.0.0/8, 172.16.0.0/12, localhost, *.local, e.crashlytics.com, captive....