激情内射亚洲一区二区三区,果冻国产精品麻豆成人av电影,free性中国熟女hd

TranslationMobile

"useful" in Chinese : adj. 1.有用的，有益的，有效的，有幫助的。 2.〔 ...
"be useful" in Chinese : 有用場
"be useful for" in Chinese : 對…有作用例如
"be useful to" in Chinese : 對有益; 對…有用
"useful" in Chinese : adj. 1.有用的，有益的，有效的，有幫助的。 2.〔俚語〕值得稱贊的，精 ...
"bandwidth" in Chinese : (帶寬)：電纜，鏈路或系統(tǒng)傳輸數(shù)據(jù)的能力。; 帶寬，通訊頻帶; 頻帶寬，誤差 ...
"if bandwidth" in Chinese : 中頻帶寬
"a useful lesson" in Chinese : 有意義的一課
"be full as useful as" in Chinese : 同...完全一樣有用
"be very useful at" in Chinese : 精通
"chemicals that are useful" in Chinese : 有效的化學(xué)品
"come in useful" in Chinese : 遲早有用, 早晚會用得上
"disabled but useful" in Chinese : 殘而不廢
"extremely useful" in Chinese : 非常有用
"quite useful" in Chinese : 很有用

Unlike pilots which are used for estimation of channel and must waste some useful bandwidth , the ppss , whose power can be boosted 3db or 6db to suppress efficiently the additive noise , is useful data transmitted , thus efficiency of the ofdm has been increased
與用于做信道估計(jì)的導(dǎo)頻符號不同， ppss傳輸?shù)氖怯杏玫臄?shù)據(jù)，因此提高了系統(tǒng)的帶寬利用率， ppss的平均功率增加3db或6db可有效抑制信道的加性高斯噪聲。