These tags have no visible presence (unless you add borders and such, as I have), but they act as a good marker for where content should go.

这些标记没有可见的表示形式(除非添加边框，像我这样做)，但它们很好地标记了内容的放置位置。

youdao

LDL cholesterol is not a good marker of cardiovascular risk in Type 1 diabetes.

LDL胆固醇不是1型糖尿病心血管风险的一个很好的标记。

youdao

Serum gastrin is a good marker to differentiate benign and malignant gastric diseases.

血清胃泌素是鉴别胃良恶性疾病的一个较好的标志物。

youdao

Serum gastrin is a good marker to differentiate benign and malignant gastric diseases.

血清胃泌素是鉴别胃良恶性疾病的一个较好的标志物。

youdao