号字 meaning in Chinese

times new roman

Please type english sentence or words by using the no4 type character （ red color is better than yellow ) , so ii can feel more comfortable ! thanks a lot ! ! !
请大家以后打英文字时用4号字(最好不要用黄色的，红色的吧），我看得好吃力！ … …拜托！！谢谢！
Toward the end of the semester , you will be asked to write a 3 - page research proposal ( double - spaced , font size 12 ) about one of the topics discussed at the seminar
在学期结束前，你需要写出一份关于课堂上某一个讨论主题的研究计划，三页长（双倍行距， 12号字）。
For print media , each applicant shall submit post one copy of the newspaper sample of original text , and the fair copy of text manuscript in song ti no . 4 and printed out on a4 paper in triplicate
三、申报要求( 1 )申报文字作品需提交（邮寄）原文字报样一份，及文字稿件清样（宋体四号字，
Three copies of the text and photocopies of large drawings are required . all copy including tables , references , and figure captions must be double spaced , printed on one side of the page only , have wide margins , and all pages must be numbered consecutively
稿件应在a4幅面的纸上单面打印，字号不小于5号字， 1 . 5倍行距；在寄交审定的修改稿时，应将有与之对应文件的磁盘一同交给编辑部，或用电子邮件发给编辑部。