庄心妍
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三相对称负载计算.三相对称负载Z=80-j60欧.三角形连接在线电压为380V的三相电源上.求有功功率.我求出来是负的麻烦大家再帮我求一次吧.要详细点的.
拜伦式英雄的定义有谁知道拜伦式英雄的准确定义啊?最好是英文的.
“现实版”与网络用语中的童鞋们是什么意思?
在网络用语中,‘童鞋‘是指
要注满一池水,若同时开123号阀门,则20分钟可注满,若同时开234号阀门,则21分钟可注满,若同时开134号阀则28分钟可注满,同时开124号阀门,则30分钟可注满,问:同时开1234号阀门多少分钟可注满?
when will there be an sports meeting in our school?请帮忙分析.看这两个句子:How mang students are there in your class? When will there be an sports meeting in our school?为什么第一个句子用be there 形式,
They are going to take a trip at Christmas.(同义句)_________ ___________ __________ _________at Christmas.
我国五种地形是什么?湖南省的主要自然环境是哪两种?
有没有有机碱?
湖南省占地面积是多少
有没有有机碱为什么生物中什么酸的挺多的没有听过什么碱
湖南邵阳汇江小学占地面积是多少公倾
湖南省的面积有多大?
湖南省的土地面积多大
综合实践活动课程的基本理念有哪些?
光到底是什么?如果光是由光子组成的.那当光照到地面上然后消失,那么光子会留在地面吗?波粒2象性 是什么。
-What are you going to do?-I'm going to attend a ___ concert directed by John.(A).live(B).alive(C).lively(D).lively.这题4个选择:(A)实况转播的(B)有活力的(C)生气蓬勃的(D)充满生气的.都可以当形容词,放进去好像意思都
中国最高的山峰是位于哪里的叫什么名称.海拔大概多少呢
The concert was broadcast live and the TV director thanked...下列选项哪个正确,为什么?The concert was broadcast live and the TV director thanked the audience in the concert hall for their ( ).A collaboration B co-operation C collusion D con
I'm going to the concert.______wants to go?A:Who else B:Any other people else C:Else who D:Else anybody是哪个选项?
Monday,you,on,catch 连词成句
go,i,monday,can‘t,on怎么连词成句
自由幻想BB智灵的海龟好不好?都说智灵鸟好,都耗在哪啊?
光到底是什么啊
8魔6智还有1次机会的紫浪能买多少钱我是海龟的在线=
I'd never been to Lhasa,but that's the city -------.A I'd most like to visit B which I like to visit mostly C where I like to visit D I'd like much to visit 为什么不选A啊?
沙俄时代苏联的钱叫什么?
Tony hurt his knees ____(play soccer).这一题是用括号内的短语的适当形式填空~=
英语:用所给的单词的正确形式填空Tim hurt himself _____(play) soccer yesterday.
Suppose you are going to Boston,and you have never visited the city before.If someone tellsyou about the interesting places in the city,you 15 to get some ideas of what you will see,but don’t have a 16 idea of where these places are or of ho
It's unnecessary______(for/to)you to do everything differently
黄山为什么有那么多奇特的景色呢?这要从黄山的形成及自然条件来寻找答案.