等级的英文：
degree
rate

参考例句：
  • To determine the taxonomic classification of(an organism.
    确定(有机体的)类别等级
  • rate lower; lower in value or esteem.
    降低事物的等级；让事物的价值或声望下降。
  • We are in urgent need of these two grades.
    我们现在急需这两种等级的货
  • Pirate Curfew: Increase order at the cost of some fear and anarchy.
    宵禁令：能提升秩序等级但是造成恐惧和混乱等级的下降。
  • Their incomes are brought into a higher bracket.
    他们的收入已进入一个较高的等级段。
  • Pressure rating to 250 PSI, vacuum to 28 Mercury.
    压力等级为250PSI，真空下为28英寸汞柱。
  • Valves shall be manufactured from dezincification resistant brass or bronze rated 240 psi at 250°F.
    阀门材质应该是抗失锌现象的黄铜或青铜,压力－温度等级为121℃,240psi。
  • Hotel is ranked in order of luxury in the guidebook .
    指南手册中，饭店根据其豪华程度被划分成不同的等级。
  • Distribution voltage class capacitor banks can be connected in grounded wyes, ungrounded wyes or delta.
    配电电压等级的电容器组可接成接地Y形、不接地Y型或△。
  • Recipients of military honors were called in order of precedence - highest ranking officers first.
    军功章的获得者们被按级别高低召见─等级最高的官员排在第一位
degree是什么意思：
n. 阶层；度；学位；程度
  • (degree of)importance,seriousness or influence
    重要性、严重性或影响力（的程度）
  • current amplification degree
    电流放大率
  • These universities are entitled to grant degrees.
    这些大学有权授予学位。
  • A thermometer calibrated in degrees Fahrenheit.
    用华氏温度校准的温度计。
  • The unemployment rate will rise by degrees.
    失业率将会渐渐增加。
rate是什么意思：
n. 比率，速率；费用
v. 评估；认为；划分等级；值得
  • cumulative rating
    累积收听率
  • These bonds have an AAA rating.
    这些债券的信用度是3A级的。
  • To rate too low;underestimate.
    低估对…估价太低；低估
  • A Lump Sum Rate of ...
    费用合计…
  • To reduce in rank or rating;demote.
    使降级降低级别或降级；使人降级

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