Low soil fertility and crop shows that the phosphorus deficiency disease.

而低肥力土壤的作物表现出明显的缺磷症。

Objective To understand effect of health education for iodine deficiency disease.

目的了解碘缺乏病健康教育效果。

Results The knowledge rate of fifth grade primary school pupils for iodine deficiency disease was 97.3%.

结果五年级学生碘缺乏病防治知识知晓率为97.3%。

We recommend that they be used with strong medically-based cause, such as symptomatic nutrient deficiency disease.

除非有明显的病因，比如营养缺乏症，否则我们不建议服用膳食补充剂。

'We recommend that they be used with strong medically-based cause, such as symptomatic nutrient deficiency disease.'

除非有明显的病因，比如营养缺乏症，否则我们不建议服用膳食补充剂。