marker是什么意思？

marker

英[ˈmɑ:kə(r)] 美[ˈmɑrkə(r)]

• n. 标识，标记，记号笔，阅卷人，防守队员，特征；

复数：markers;

例句

• The post served as a bound-ary marker. 这个哨站用作标界。
• Hitchhiking effects also play a role in experiments with marker genes. 附加效应在以标记基因作试验中也是起作用的.
• Conclusion CPA is a new and specific marker for RA. 结论CPA对RA诊断有较好的敏感性和特异性,可作为RA的 血清学诊断指标.
• Step off twenty feet and then place a marker in the ground. 先步测20英尺,再在地上做出标记.
• He placed a marker where the ball had landed. 他在球落地的地方放了个标记。
• IntI 1 integrase gene and class 1 integron marker genes were detected by PCR. PCR扩增检测intI1整合酶基因,sul1和qacE△1基因.
• A hardpoint marker should be placed at the center of the hardpoint. 挂载点标记应位于挂载点中心.
• A fine line employed as a graticule marker or an index in a precision device. 在精密装置中,作为一种十字线或分度标记而使用的细线条.
• Objective To study the clinical values of neuron - specific enolase ( NSE ) as serum tumor marker in cancer. 目的:探讨血清肿瘤标志物神经元特异性烯醇化酶 ( NSE ) 对肺癌的诊断、评估化疗敏感性及病情监测的临床价值.
• Comparatively , PCR - Acc molecular marker produced two genotypes , G - type and T - type for both autotetraploid and diploid rice. 而用PCR-Acc检测, Wx基因表现为G - 型和T - 型.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (表示方位的)标记，路标，记号;（起提示作用的）标示物
  A marker is an object which is used to show the position of something, or is used to help someone remember something.
  例句
  He put a marker in his book and followed her out. 他在书里夹了一个书签后便随她出去了。 ...lines of weathered stone markers sticking up from the desert. 矗立在沙漠里的一排排饱经风吹日晒的石头路标
• N-COUNT
  （品质或特点的）标志，代表
  If you refer to something as a marker for a particular quality or feature, you mean that it demonstrates the existence or presence of that quality or feature.
  例句
  Vitamin C is a good marker for the presence of other vitamins and nutrients in frozen food. 维生素C的存在是冷冻食品里存在其他维生素和营养成分的很好说明。
• N-COUNT
  记号笔，毡笔(笔头较粗，由毡毛制成，用于绘画和着色)
  A marker or a marker pen is a pen with a thick tip made of felt, which is used for drawing and for colouring things.
  例句
  Draw your child's outline with a heavy black marker. 用浓黑色的毡笔画出你孩子的轮廓。

英汉词典释义

• n.
  标志;标记
  The post served as a bound-ary marker. 这个哨站用作标界。

英英词典释义

• Noun
  1. some conspicuous object used to distinguish or mark something;
  "the buoys were markers for the channel"
  2. a distinguishing symbol;
  "the owner's mark was on all the sheep"
  3. a writing implement for making a mark

行业词典

• 体育： 标记员；划线器；记分员；体育游戏记分员；
  医学： 标〔志〕；标志物：用作标志之物；
  铁道： 标志器；