Pragmatically and textually, it is an important discourse marker for expressing emotions.

在语用、语篇方面，它是人们表情达意的重要话语标记。

However,it is not easy to get a perfect presymptomatic marker of Parkinsons disease.

到一个完备的帕金森病症状前指标并非轻易举。

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。

Not wanting to be called an easy marker, the teacher graded the essays severely.

不想被人看成是一个判分很松的人，是老师便严格地给文章打分。

Step out ten feet and then put a marker in the ground.

步测十英尺, 后在地上做出标记。

In this study, 21 elite poplar varieties of Tacamahaca and Aigeiros were fingerprinted using AFLP markers.

本试验采用AFLP对来自青杨组和黑杨组的21个重要杨树品种（无性系）的鉴定与遗传相关性进行了研究。

Objective To assesses the clinical value of tumor markers in haemodialysis patients and uremic patients.

摘要 摘要 目的：了解血液透析和尿毒症对肿瘤标物水平的影响。

Wilson outstripped his marker to score.

威尔逊屡屡得分，记分员都来不及记。

Chronic hypoventilation is a marker of disease severity in asthma and chronic obstructive pulmonary disease (COPD).

哮喘和COPD患者出现慢性低通气是疾病严重标之一。

This neuronal loss is frequently accompanied with astrocytosis,gliosis and specific neuropathologic markers,such as Lewy body in Parkinson's disease.

这种神经元的丢失通常伴有星形胶质细胞增生、神经胶质过多症以及特定的神经病理标记,如帕金森病的路易小体。

Caveolae is a type of lipid rafts.Caveolins and flotillins are the marker proteins of caveolae.

小窝是脂筏的一种形式，小窝标记蛋白有小窝蛋白和小窝舟蛋白。

A cairn and stone marker memorialize climber Scott Fischer, who died on Everest in 1996.

石冢和石碑纪念登山者斯科特.菲舍尔，他1996年死。

The third is the establishment of marker-free and skelecton-free transformation vector systems, which are efficient and simple.

第三是着力发展无标记基因、无载体骨架的简单高效转化体系。

Examples of ''ablaut'' as a grammatical marker in Latin are the vowel changes in the perfect stem of verbs.

例如在日耳曼语强动词中的元音变换是印欧动词变形范例的直接派生。

She had no previous abdominal surgery, and had normal full laboratory workup, including inflammatory markers, clotting analyses, and thrombophilia screen.

前期无腹部手术史，实验室检查完全正常，包括感染征兆、凝血分析，血栓筛检。

To study the changes of hemostatic molecular markers inacute monoblastic leukemia (AML-M5) for elucidate the mechanism of hemorrhage and its clinical significance.

观察急性单核白血病（AML-M5）止凝血因子标物的变化，探索AML-M5患者出血机制及这些标物在疾病诊疗、预后判断中的意义。

It is emphasized that the first flooding surface (FFS) is used as a standard or useful marker in optimizing chronostratigraphic and lithostratigraphic boundaries.

在年代地层方面，进一步强调以初始海泛面(FFS)作为优化年代地层“阶”的标准。

The immunohistochemical studies demonstrated that the majority of tumor cells were immunoreactive for neuroendocrine markers that included chromogranin A, synaptophysin and neuronspecific enolase.

黏液性神经内分泌癌的鑑别诊断包括黏液性腺癌，侵袭性腺管癌，侵袭性小叶癌及转移性神经内分泌癌。

Besides food colouring, the enzyme itself – DOPA dioxygenase – can be used as a marker gene in the transformation of betalain-containing plants.

除了用作食品色素以外，二羟基苯丙氨酸双加氧酶可以作为含甜菜红色素植物转化的标基因。

Microsatellite marker has many advantages such as a great quantity, extensive dispersion around the genome, high polyomorphism, Mendelian codominant inheritance, rapid and convenient detection.

微卫星标记具有数量多、在基因组中分布广、多态性丰富、呈孟德尔共显性遗性、检测快速方便等特点。