class n. 1.階級;社會等級。 2.學級;班級,年級,級,班;組;(有組織的)講習班;〔美國〕同年畢業(yè)班;【軍事】同年入伍士兵。 3.(高低、優(yōu)劣的)等級;類別。 4.〔英大學〕(榮譽考試)優(yōu)等;〔俚語〕高級,優(yōu)秀;漂亮,優(yōu)雅。 5.【生物學】(分類學的)綱;【礦物】晶族。 6.(一節(jié))課。 the working class工人階級。 No class today. 今天沒課。 C- is over. 下課。 boycott classes 罷課。 the first [second] class頭[二]等。 high [low] class高[低]級。 There's a good deal of class about him. 他有很多優(yōu)點。 He is not class enough. 他沒有什么了不起。 at the top of one's class 出類拔萃;居首要位置。 be no class 〔俚語〕不足道;無價值。 class of the field 〔美國〕比賽的優(yōu)勝候補人。 get a class=obtain a class. in a class by itself 特好,出眾。 in class在上課中。 in the same class 〔美國〕同一類型的,同等的。 no class 〔俚語〕等外的,極壞的,蹩腳的〔用作表語〕。 not in the same class with 不能同…相比,無法和…相提并論,比不上…。 obtain a class=take a class 畢業(yè)考試得優(yōu)等。 take a class at (Oxford) 在(牛津大學)進榮譽班。 take a class of (beginners) 擔任(初級)班(的教師)。 take classes in (history) 聽(歷史)課,選修(歷史)課程。 the classes 上層社會;知識階級。 the classes and masses 各階級和各階層。 vt. 把…分類,把…分等[分級];給…定等級,把…分組。 vi. 屬于…類[等、級、組]。 adj. -able 可分類[等級]的。 adj. -less 無階級的。
The symbols used to designate the classes of emission have the meanings assigned to them in the telecommunication convention 用以指定發(fā)射類別的符號具有電信公約給予該等符號的涵義。
Methods of measurement on radio receivers for various classes of emission ; part 6 : general purpose communication receivers 各種發(fā)射類別的無線電接收機的測量方法.第6部分:一般通信接收機
Methods of measurement on radio receivers for various classes of emission - receivers for frequency - modulated sound broadcasting emissions 各種發(fā)射級別的無線電接收機的測量方法.調(diào)頻聲音廣播發(fā)射接收機
Methods of measurement on radio receivers for various classes of emission - methods of measurement on digital satellite radio receivers 各種類發(fā)射的無線電接收機測量方法.第7部分:數(shù)字衛(wèi)星接收機測量方法
Methods of measurement on radio receivers for various classes of emission - part 6 : general purpose communication receivers iec 60315 - 6 : 1991 corr . : 1997 各種發(fā)射類別的無線電接收機的測量方法.第6部分:通用
Dsr methods of measurement on radio receivers for various classes of emission . part 7 : methods of measurement on digital satellite radio receivers 各種發(fā)射等級用無線電接收機的測量方法.第7部分:數(shù)字衛(wèi)星無線電
Methods of measurement on radio receivers for various classes of emission - measurement of the characteristics relevant to radio data system reception 各類發(fā)射的無線電接收機測量方法.無線電數(shù)據(jù)系統(tǒng)接收特性測試
Methods of measurement on radio receivers for various classes of emission ; part 3 : receivers for amplitude - modulated sound - broadcasting emissions 各種發(fā)射類別的無線電接收機的測量方法.第3部分:調(diào)幅廣播發(fā)射接收機
Methods of measurement on radio receivers for various classes of emission . part 4 : receivers for frequency - modulated sound broadcasting emissions 各種發(fā)射分級用無線電接收機的測量方法.第4部分:調(diào)頻聲廣播發(fā)射用接收機
Methods of measurement on radio receivers for various classes of emission - part 3 : receivers for amplitude - modulated sound - broadcasting emissions 各種發(fā)射類別的無線電接收機的測量方法.第3部分:調(diào)幅聲音廣播發(fā)射接射機