pgDn怎么读，pgDn的音标和真人发音
英音
['pi:dʒ'i:d'i:'en]
美音 ['pi:dʒ'i:d'i:'en]
pgDn是什么意思，pgDn的意思是
n.pagedown 翻下页
pgDn 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- PgDn Cycle to the next camera position .
- 循环下一个视窗视角位置。
- Under the above optimum conditions , the yield of PGDN is about 96.3 % , and the selectivity is nearly 100 % .
- 1,2-丙二醇二硝酸酯的收率达96.3%，选择性接近100%。
- In order to solve the environmental pollution of synthesizing 1,2-propylene glycol dinitrate ( PGDN ) with propylene oxide ( PO ) as raw material and the mixture of nitric acid and sulfuric acid as nitrating agent , a new method for preparation of PGDN by nitrating PO with dinitrogen pentoxide ( N2O5 ) as a clean nitrating agent was presented . This reaction is environmental friendly with high atomic economy .
- 为解决硝硫混酸法合成1,2-丙二醇二硝酸酯（PGDN）过程中存在的环境污染问题，提出了N2O5硝化环氧丙烷（PO）制备1,2-丙二醇二硝酸酯的方法，该反应原子经济性高，环境友好。
- Reclaim your PgUp and PgDn keys from the Flash player to scroll the entire page , or add the cnee record mouse option to re-enable your scroll wheel .
- 从Flash播放器取回PgUp和PgDn键来滚动整个页面，或添加cneerecordmouse选项重新支持滚轮。
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