...Poly(arylene ether nitrile sulfone);Synthesis;Characterization;Thermal Property; Dielctric Property 聚芳醚腈砜(PENS)是20世纪90年代出现的 一类新型特种工程翅料。其因为在大分子主链上含有 芳醚砜结构决定了它具有与聚芳醚砜相似的性能。
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Felt Pens 毡笔 ; 蘸水笔 ; 马克笔 ; 麦克笔
Pattern Pens 图案笔 ; 图案画笔
pens shelf 笔架
waiting pens 待宰间
Fountain pens 武汉金笔
FeIt-tiP Pens 毡尖笔
Drawing pens 绘画笔
Steel pens 钢笔
Pattren Pens 图案画笔
On this basis, a pen-based collaboration Concept Mapping system is implemented.
在此基础上,实现了一个基于笔交互的协同概念构图系统。
参考来源 - 基于笔交互的协同概念构图系统的研究与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: playpen
同义词: penitentiary
以上来源于: WordNet
N-COUNT A pen is a long thin object which you use to write in ink. 钢笔
V-T If someone pens a letter, article, or book, they write it. 撰写 [正式]
I really intended to pen this letter to you early this morning.
我本来真的打算今天一大早就给你撰写这封信的。
N-COUNT A pen is a small area with a fence around it in which farm animals are kept for a short time. (临时圈养牲畜的) 圈
...a holding pen for sheep.
…一个羊群候宰圈。
V-T If people or animals are penned somewhere or are penned up, they are forced to remain in a very small area. 关 (人或动物) [usu passive]
The cattle were penned for the night.
这头牛晚上被关了起来。
The animals were penned up in cages.
这些动物被关在笼子里了。
N a female swan 母天鹅
N penitentiary的缩写 [美国英语] [非正式] → short for penitentiary
The pens sell for just 50p each.
这些钢笔每支只卖50便士。
Pens are kept in the middle drawer.
钢笔在中间那个抽屉里。
Brookman & Langdon were said to manufacture the most desirable pens and these necessarily command astonishingly high prices.
据说布鲁克曼兰登公司制造的钢笔最令人满意,而这必然地导致高得惊人的价格。
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