hat n. 1.帽子〔一般是指有边的〕,礼帽。 2.红衣主教的红帽;红衣主教的职权[地位]。 bowler hat 礼帽。 cocked hat 卷边三角帽;折成三角的信。 gipsy hat 妇女、儿童戴的宽边帽。 leaf hat 斗笠。 matinee hat 看日场戏戴的普通女帽;避免在剧院妨碍别人视线的特制女帽。 red [scarlet] hat 红衣主教的帽子;红衣主教。 silk [stovepipe, tall] hat 大礼帽。 His hat covers his family. 他是光棍一条。 as black as one's hat 纯黑的。 at the drop of a [the] hat 〔美国〕立即,毫不犹豫地。 bad hat 〔俚语〕坏蛋,卑鄙的人。 be in a [the] hat 进退两难。 bet one's hat 孤注一掷。 black hat 〔澳俚〕新来的移民。 by this hat 〔口语〕我拿一切担保! 千真万确!毫无疑问。 get into the hat 进退两难。 go round with the hat = make the hat go round 募捐。 hang one's hat on sb. 依靠某人。 hang up one's hat in sb.'s house 在别人家里久留不走,长期居住。 hat in hand 卑躬屈节,必恭必敬 (A man's hat in hand never did him any harm. 对人恭敬于己无害)。 hats off to sb. 钦佩某人。 have a brick in one's hat 〔俚语〕喝醉。 knock into a cocked hat 打得不成样子,驳得体无完肤。 I'll bet a hat. 保证没错。 I'll eat my [old Rowley's] hat. 我决不,一定不会。 My hat! 〔俚语〕啊呀! 嘿! my hat to a halfpenny! = by this hat ! pass [send] round the hat 募捐。 raise [take off] one's [the] hat to 向…脱帽致敬。 talk through one's hat 〔俚语〕说大话,吹牛。 throw [have, toss] one's hat in the ring 准备加入比赛[竞选、战斗]。 touch one's hat to 碰帽边向…致敬。 under one's hat 〔口语〕秘密的。 vt. (-tt-) 〔口语〕给…戴上帽子。
Continuous wavelet transform ( cwt ) analysis at noaa / avhrr thermal data ( channels 4 when present ) was made by the approach of the isotropic 2d mexican hat wavelet 摘要利用二维连续小波变换(墨西哥帽小波) ,结合影像下的地物类型分布,对多时相的noaa / avhrr影像4波段数据进行信号场分析。
Analysis using method of morlet and mexican hat wavelet transform shows that there were 2 to 5 years and quasi - 7 years oscillations in the summer rainfall over shandong 结果表明,山东夏季旱涝存在着明显的阶段性和群发性的特征。 1961 1978年雨涝发生频繁, 1979 1992年是干旱的群发阶段,雨涝较少。
Based on the conventional statistic methods and mexican hat wavelet , the geographical distribution of sunshine duration and wind velocity and their annually , and inter - decadal changes in recent 40 years are analyzed using daily sunshine duration and wind velocity data of 6 stations in naqu from 1961 to 2000 摘要利用那曲地区6个气象站1961 - 2000年逐日日照时数和风速资料,采用常规统计方法和墨西哥帽小波变换分析那曲地区近40年日照时数和风速的地理分布以及年内、年际、年代际变化规律。