abbr.下午(Post Meridiem,等于afternoon); 調(diào)相(Phase Modulation); (=prime minister)總理，首相; [化](=promethium)
1. PM是什么意思
1. 調(diào)相：曼徹斯特( Manchester) 脈波振幅調(diào)變(PAM) 調(diào)相( PM) 相位移轉(zhuǎn)鍵式調(diào)變( PSK). (1) 861 下列何者為數(shù)位資料轉(zhuǎn)換成數(shù)位訊號(hào)的技術(shù)? 曼徹斯特( Manchester) 脈波振幅調(diào)變(PAM) 調(diào)相( PM) 相位移轉(zhuǎn)鍵式調(diào)變( PSK).
2. 下午：免持通話(VOX耳機(jī)支持/IVOX內(nèi)置免持無(wú)線應(yīng)用) .頻道掃描功能,可做同頻監(jiān)聽(tīng)手表顯時(shí)功能.12小時(shí)制式上午(AM)/下午(PM)時(shí)間顯示.背光顯示.使用鋰離子電池(3.7V).自由對(duì)講,
3. 钷：稀土冶煉工是有毒有害工種嗎 稀土就是化學(xué)元素周期表中鑭系元素--鑭(La)、鈰(Ce)、鐠(Pr)、釹(Nd)、钷(Pm)、釤(Sm)、銪(Eu)、釓(Gd)、鋱(Tb)、鏑(Dy)、鈥(Ho)、鉺(Er)、銩(Tm)、鐿(Yb)、镥(Lu),以及與鑭系的15個(gè)元素密切相關(guān)的兩個(gè)元素--鈧(Sc)和釔(Y)共17種元素,
4. pm：projet management; 項(xiàng)目管理
5. pm：permanent-magnetic material; 永磁材料
6. pm：permanet magnet; 永磁
7. pm：phase-modulation; 相位調(diào)制
1.
1. By 12 pm the dimly lit square had been turned into a camping ground.
2. Instead, someone had broken into the cart to steal the PM's cache of whisky.
3. The station had just helped restore power to a neighbouring village on September 2 when it received a call at 8 pm about another outage.
4. Almost 30 patients waiting in line with Feng at 1 pm on Wednesday had called the hotline and were served in a matter of minutes.
5. Thousands of people cast their ballots at a voting center set up on a village school campus on 9 am and 3 pm Saturday.
6. The snow had delayed 22 flights at Beijing Capital International Airport as of 6 pm on Wednesday.
7. The capital Beijing reported three new cases from 6 pm Monday to 6 pm Tuesday, the Ministry of Health said in a statement.
8. Police found the body of Tang Wenfeng at 4 pm on Friday local time in his car in Toronto.
9. As of 4 pm Saturday, over 240 tips had been poured in by citizens and the case remained under investigation.
10. China Central Television carried five hours of live broadcast from 1 pm.