Digital Data Network ( DDN ) is a data transmisston network using digital channels.数字数据网 ( DDN ) 是采用数字信道来传输数据信号的数据传输网.Driect line 、 ISDN 、 DDN 、 Frame relay 、 ADSL 、 Broadband 、 Hunting line. 、 E 1、 PRI and so on.如:直线电话、...
Granite as raw material, PSA is made in a series of aggregate reactions of chemical fusibility.选用花岗闪长岩为原料, 通过一系列的化学熔融聚合反应制成新型絮凝剂———聚硅酸铁铝盐絮凝剂.Its petrology , petrochemistry and geochemistry feature show the intrusive is p...
Don't be fobbed off with excuses.不要被各种借口给蒙骗了。We thought we'd been fobbed off with inferior goods.我们以为对方向我们骗售劣质货物.The salesman fobbed off the faulty machine on the lady.推销员拿有毛病的缝纫机蒙骗那位女士....
This sandstone unit is commonly thick - bedded and massive, with silty and carbonaceous laminations.该砂层单元通常为厚层或块状, 具粉砂质和碳质纹层.Thin layers of sandy shale, and carbonaceous fragments are locally present.局部出现砂质页岩薄层和碳质碎屑.Beca...
He gave a great performance, but he was very humble...他的表演非常出色，但他却很谦虚。This gave Bill an opportunity to hobnob with the company's president, board chairman, and leading executives.这使得比尔有机会和公司的总裁、董事长以及那些主要行政主管们厮混在一起。Y...
战争颠倒是非：杀戮与残忍成了美德。War turns morality inside out: killing and cruelty are virtues.丛林法则要求的是：杀戮或者被杀。The law of the jungle demands: kill or be killed.一直有人暗示这些是黑帮之间的杀戮。It's been suggested they were gangland killings....
On his desk is a mass of books and papers.他的书桌上有大堆的书籍和文件。In the spring, the meadow is a mass of daffodils.春天，草地上开满了黄水仙。Only with mass direct action will we obtain such change.只有采取大规模直接行动，我们才会取得这样的改变。...