1) four state gate
四态门
1.
3 value TTL NAND gate and four state gate by using two very type transistor designs are switched circuits.
采用双极型晶体管设计的三值TTL与非门及四态门均属于开关电路。
3) East Outlets
东四口门
1.
Effects of Discharged Pollutants from Pearl River Delta on East Outlets;
珠江三角洲污染物对东四口门通量影响分析
4) Four-valve
四气门
1.
Novel Fiat-1.3L-four-valve Diesel Engine with Multijet Common Rail System;
新颖的菲亚特1.3L四气门共轨多次喷射柴油机
2.
The problem of valve’s motion imbalance in four-valve engine is analyzed and a simulation model is established and analyzed using ADAMS/View.
用ADAMS/View对某型号车用柴油机的配气机构进行了仿真分析,发现四气门配气机构中气门运动不同步的现象,增大了气门与气门导管之间的摩擦力,影响气门的升程,最终影响配气机构的性能。
5) four-mast
四节门架
6) Four valve
四气门
1.
An experimental work conducted on the incylider flow fields in a four valve S.
在倒拖工况下对四气门火花点火式发动机缸内空气运动进行了实验研究和分析 。
2.
Through analysis of in cylinder flow field of intake period in a four valve directed injection diesel engine and two valve directed injection diesel engine, the law of in cylinder swirl formation process and its results under the effects of the changes of valve lift was obtained.
利用缸内三维流场测量装置 ,运用热线风速仪在稳流模拟试验台上研究了四气门直喷式柴油机进气过程的缸内流场特性 ,并与两气门直喷式柴油机进行了比较 ,揭示了四气门直喷式柴油机进气涡流的形成过程及气门开度对其影响的变化规律 。
3.
In order to meet with more strict emission regulations, many countries manufacturers and research institutes were absorbed in the application of four valves technology from gasoline engine to diesel engine.
为了满足越来越严格的柴油机排放法规的要求,各国生产厂商和研究机构都致力于将汽油机四气门技术应用到柴油机上。
补充资料：小乘四门
【小乘四门】
（名数）天台所判。一小乘有门，发智六足论等之所说。二小乘空门，成实论之所说，三小乘亦有亦空门，毗勒论之所说，四非有非空门，迦旃延经之所说。
（名数）天台所判。一小乘有门，发智六足论等之所说。二小乘空门，成实论之所说，三小乘亦有亦空门，毗勒论之所说，四非有非空门，迦旃延经之所说。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条