this chart shows symptoms of oxygen deficiency from an article by dr. spencer way an the journal of the american association of physicians.
这个图表显示了一个由斯宾塞博士路一期的美国医师协会杂志文章的缺氧癥状。
methods: 1. design a table for quantified scoring of oxygen deficiency, and classify mild, moderate and severe oxygen deficiency according to the scoring.
方法1、设计缺氧的量化评分表,根据评分值分出轻度缺氧、中度缺氧和重度缺氧。
from the investigations, lack of nitrogen and phosphorus, oxygen deficiency in aeration basin of sbr, high concentration of sulfide in the wastewater is found.
调查分析得知该厂印染废水存在氮、磷缺乏现象,sbr曝气池存在缺氧现象,废水中硫化物含量较高。
because the oxygen deficiency all the year round, reflect the special obtuseness , in addition, people are stupid, then i feel special difficulty while studying english this language.