厘米与米的换算

视频信号源跟VGA信号源有什么区别 强调句可以强调形容词吗? 比如It was clear that? 数字合成信号发生器与合成信号发生器有什么区别 Your number was up the first time I met you. PIC单片机可以做数字信号发生器么?如果可以原理是什么?只要说下原理就好 不要copy 数字信号发生器上的DB到底是怎么回事?数字信号发生器上有一个20DB和40DB的按钮,（1）当不按下时,是不是就是0DB啊,这时调节旋钮,输入信号的幅度最小可调到1.2v,如果按下20DB,最小可调到0.12v, 初中英语选择题 The new sweater is () my mum. A in B from C and D with see 作为非延续动词,用于否定句可表延续动作或状态吗? ( )How happy everyone was ____ each other at the party. A.sees B.to see C.seeing D.saw He was sad because his grandpa d()(die) . = =far from it啥意思? it’s time to go .有什么语法 It's about the time.在语法上是不是正确的 season怎么读,最好用译音, I don't know where l can buy the DVD of the series.(保持原句意思)I don't know where____ ____the DVD of the series. wrote,many,He,poems,famous排成一句话 take again 什么意思 I need a computer,but I don't know where（ （buy） The pen------she wrote so many poems is now carefully preserved.A.which B.thatC.with which D.by which 有take a taste这种说法吗? the trip on the underground costs 4 in shanghai是什么意思 mang people are attracted by her ------,美丽,she has lost of fans上填补单词 the underground是什么意思 —__has attracted a large amount of public attention.--Many people went to visit her.A.The girl gets sick B.The girl to get sick CThe girl got sick DThe girl's getting sick Don't travel alone on the underground late at night.怎么翻译呢?underground 这里指什么? The case doesn't admit __in public A of discussing B of being discussed C being discussedThe case doesn't admit __in public A of discussing B of being discussed C being discussed D discussing详细解答选项! sever和 severance sever overload sever Who was the firt________(reach)?为什么用to reach?不用reaching? 如何看待两宋与辽,西夏,金政权的和战关系 如何看待宋和辽,西夏之间的议和?