Objective: To study the relationship between plasma motilin (MTL) levels and colon motility of patients with slow transit constipation (STC) through analyze the plasma MTL levels of the patients.

目的：通过对结肠慢传输型便秘（STC）患者血浆胃动素（MTL）含量的分析，探讨血浆MTL水平与STC患者结肠动力变化的关系。

youdao

STC is a set of popular textbook among some science textbooks written for primary school under the direction of NSES in America.

美国在《国家科学教育标准》的指导下编写了几套小学科学教材，STC就是其中比较流行的一套。

youdao

Objective To study the therapeutic value of colonic exclusion (CE) on intractable slow transit constipation (STC) and evaluate its influence on intestinal function.

目的研究结肠旷置术（CE）治疗顽固性慢传输型便秘（STC）的临床价值及其对肠道功能的影响。

youdao

Every state has a Department of Transportation (DOT) with a State Traffic Commission (STC) that is responsible for setting speed limits on certain state-maintained roads.

FORBES: The High Price Of Speeding