non-integral
须竖胡2292直升机部件的英语术语. -
酆环饶17653088256 ______ airliner 班机 monoplane 单翼飞机 glider 滑翔机 trainer aircraft 教练机 passenger plane 客机 propeller-driven aircraft 螺旋桨飞机 jet(aircraft) 喷射飞机 amphibian 水陆两用飞机 seaplane, hydroplane 水上飞机 turbofan jet 涡轮风扇飞机 turboprop 涡...
须竖胡2292有22awg ul2488的线材吗 -
酆环饶17653088256 ______ 有的,style 2488导体范围是22~18AWG.详细见链接http://data.ul.com/link/stylepage.aspx?style=2488 Style 2488 Multiple-conductor cable using non-integral jacket. Rating 60 deg C, 300 Vac, Horizontal flame. Conductor 22 AWG - 18 AWG, stranded, consisting of 30 AWG strands, metal-coated. A, B, C, D - 22 AWG; E, F, G. No. 18 AWG.
须竖胡2292UL2725可以做双并线吗 -
酆环饶17653088256 ______ 不能,UL STYLE 2725不能做平行线.可考虑2468 Style 2725 Multiple-conductor cable using non-integral jacket
须竖胡2292信息安全最关心的三个属性是什么? -
酆环饶17653088256 ______ 保密性:保证机密信息不被窃取,窃听者不能了解信息的真实含义 完整性:保证数据的一致性,防止数据被非法用户窜改. 可用性:保证合法用户对信息资源的使用不会被不正当的拒绝. 不可抵赖性:做过后,必须承认,不能抵赖. 信息安全...
须竖胡2292线缆标注 ul20275 是什么意思 -
酆环饶17653088256 ______ 表示这个电线型号是UL 758标准的型号STYLE:20275.--------------下边是型号具体内容------------ APPLIANCE WIRING MATERIAL Subj.758 Section 2 Page 20275 Issued:1983-08-11 Revised:2012-04-06 Style 20275 Multiple-conductor cable using...
须竖胡2292请问UL2749主要是关于那一方面的规范与标准? -
酆环饶17653088256 ______ UL2749 SEASONAL USE LED DRIVERS AND NON-INTEGRAL LED LIGHTING STRINGS June 17, 2011
须竖胡2292美国高中数学的英语专有名词 -
酆环饶17653088256 ______ + plus 加号;正号- minus 减号;负号 ± plus or minus 正负号 * is multiplied by 乘号 ÷ is divided by 除号 = is equal to 等于号 ≠ is not equal to 不等于号 ≡ is equivalent to 全等于号 ≌ is equal to or approximately equal to 等于或约等于号 ≈ is ...
须竖胡2292数学高手帮忙,求∫cosx/x² dx的表达式. -
酆环饶17653088256 ______ non-elementry integral,需要泰勒分解(1-x²/2!+x^4/4!-x^6/6!...)/x²=1/x²-1/2!+x²/4!-x^4/6!+x^6/8!-..积分后=-1/x-x/2!+x³/4*2!-x^5/(6*4!)=-1/x+∑(i=1,2,3,......){(-1)^i *x^(2i-1)/[(2i)*(2i-2)!]}
须竖胡2292有关圣诞节的资料,英文的!最好三四句 -
酆环饶17653088256 ______ Christmas (Old English: Crīstesmæsse, meaning ＂Christ's Mass＂) is an annual commemoration of the birth of Jesus Christ and a widely observed holiday, celebrated generally on December 25 by millions of people around the world.A feast ...
须竖胡2292圣诞节英语资料
酆环饶17653088256 ______ It is an annual commemoration of the birth of Jesus Christ and a widely observed holiday, celebrated generally on December 25 by millions of peoplearound the world.A feast central to the Christian liturgical year, it closes the Advent season and ...