A typical application of this(71)is ADSL. It is emerging as the technology for home-and small-office Internet connectivity. It provides either 1.5 Mb/s~8 Mb/s from the network to the user and 64 Kb/s~512 Kb/s in the reverse direction depending on the distance, 12 000 or 18 000 feet.. The different speed for each direction gives it the(72)label. ADSL is designed to take advantage of the fact that video-on demand, telecommuting, and Internet access traffic are inherently asymmetrical. The user(73)a brief message up to the network and receives a ton of data coming back, either a movie or a piece of data download. Under such a scenario, low-speed traffic to the network is just fine. ADSL delivers high(74)where you need it and only uses a single copper pair. Through multiplexing, it also reserves(75)of the bandwidth for POTS.
A.FTTH
B.HFC
C.FTTC
D.HDSL
第1题
A.子宫Ⅰ度脱垂伴阴道前后壁膨出
B.子宫Ⅱ度脱垂伴会阴陈旧裂伤
C.子宫Ⅲ度脱垂伴张力性尿失禁
D.子宫Ⅱ度脱垂伴阴道前后壁膨出
E.子宫Ⅱ度脱垂伴张力性尿失禁
第2题
A.子宫Ⅱ度脱垂伴会阴陈旧裂伤
B.子宫Ⅰ度脱垂伴阴道前后壁膨出
C.子宫Ⅲ度脱垂伴张力性尿失禁
D.子宫Ⅱ度脱垂伴阴道前后壁膨出,伴张力性尿失禁
E.子宫Ⅱ度脱垂伴张力性尿失禁
第3题
A.子宫Ⅰ度脱垂伴阴道前后壁膨出
B.子宫Ⅱ度脱垂会阴陈旧裂伤
C.子宫Ⅲ度脱垂伴张力性尿失禁
D.子宫Ⅱ度脱垂伴阴道前后壁膨出
E.子宫Ⅱ度脱垂伴张力性尿失禁
第4题
A、子宫Ⅰ度脱垂伴阴道前后壁膨出
B、子宫Ⅱ度脱垂伴会阴陈旧裂伤
C、子宫Ⅲ度脱垂伴张力性尿失禁
D、子宫Ⅱ度脱垂伴阴道前后壁膨出
E、子宫Ⅱ度脱垂伴张力性尿失禁
第5题
A.子宫Ⅰ度脱垂伴阴道前后壁膨出
B.子宫Ⅱ度脱垂伴会阴陈旧裂伤
C.子宫Ⅲ度脱垂伴张力性尿失禁
D.子宫Ⅱ度脱垂伴阴道前后壁膨出
E.子宫Ⅱ度脱垂伴张力性尿失禁
第6题
A.子宫Ⅰ度脱垂伴阴道前后壁膨出
B.子宫Ⅱ度脱垂伴会阴陈旧裂伤
C.子宫Ⅲ度脱垂伴张力性尿失禁
D.子宫Ⅱ度脱垂伴阴道前后壁膨出
E.子宫Ⅱ度脱垂伴张力性尿失禁
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