d D flat 【音樂】降 D 調(diào)。 D major [minor] 【音樂】 D 大調(diào)[小調(diào)]。 D sharp 【音樂】升 D 調(diào)。 a D student 劣等生。 a D slide valve D 形滑閥。 CD = 400. DC = 600.
d and dd and d, d & d= 〔美俚〕1.drunk and disorderly (警察用語)酒醉后擾亂治安的。2.deaf and dumb 又聾又啞的;〔比喻〕裝聾作啞的(尤指因?yàn)榕聢?bào)復(fù)而對壞事不加告發(fā))。; 儀器公司
Copyright 2005 - 2006 shenzhen kinstone d t develop co . , ltd 深圳市今視通數(shù)碼科技有限公司copyright2005 - 2006
Livingstone d j , manallack d t , tekto i v . data modeling with neural networks : adventages and limitations [ j ] . comput aided mol design , 1997 ( 135 ) : 11 閻平凡,張長水.人工神經(jīng)網(wǎng)絡(luò)與模擬進(jìn)化計(jì)算[ m ] .北京:清華大學(xué)出版社, 2000
In most cases , it was found that the jb criterion is safer than hg specification , but adverse result was obtained when r / r is close to 0 . 8 and d / t is too small ( less than 40 ) . code in c language was worked out for simplifying the calculation 在大多數(shù)情況下,按照jb標(biāo)準(zhǔn)對此種結(jié)構(gòu)進(jìn)行補(bǔ)強(qiáng)設(shè)計(jì)時(shí)其安全裕度要比hg標(biāo)準(zhǔn)為高;但是當(dāng)開孔率接近0 . 8且d t很小時(shí)(不大于40 ) ,依jb標(biāo)準(zhǔn)補(bǔ)強(qiáng)設(shè)計(jì)后的安全裕度反而較按hg規(guī)范計(jì)算結(jié)果要小。