PWL=Power Level (声)能级,功率级,电平Pn.字母Ppyritization黄铁矿化pylorodilato幽门扩张器pycnic habit[医] 矮胖体型, 肥短体型p - cresol对甲基苯酚P eroxisomes过氧化物酶体类pyripyridium盐酸苯偶氮吡胺P. ternata半夏pyridylidene吡啶亚基P. E Major体育专业P. ternate半夏

1. The simulation results will be useful for the further study of diesel engine DME.
   模拟结果有望在柴油机燃用二甲醚的研究工作中得到广泛应用。
2. This is because the DME is the symmetry elements, and the carbon-oxygen bond in the middle position.
   这是因为二甲醚是对称性分子，而且碳氧键处于中间位置。