Soils are most commonly deficient in nitrogen and phosphorus.
土壤最经常缺乏氮和磷。
Nitrogen-deficient plants exhibit many of the symptoms just described.
缺氮植物表现出上述的许多症状。
Some soils are notoriously deficient in micro nutrients and are therefore unable to support most plant life.
有些土壤是出了名的缺乏微量营养，因此无法支持大多数植物的生命。
The shale was deposited in an oxygen-deficient lake where lethal gases sometimes bubbled up and killed animals.
页岩沉积在一个缺氧的湖泊里，那里有时会冒出致命的气体，杀死动物。
Phosphorus-deficient plants are often stunted, with leaves turning a characteristic dark green, often with the accumulation of anthocyanin.
缺磷植物常发育不良，叶片呈典型的深绿色，常伴有花青素的积累。
So-called serpentine soils, for example, are deficient in calcium, and only plants able to tolerate low levels of this mineral can survive.
例如，所谓的蛇形土壤缺乏钙，只有对低水平的这种矿物质耐受的植物才能生存。
They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.
他们认为，这样的饮食不包括任何动物来源的产品，会缺乏我们身体所需的许多必要的维生素和矿物质。
The agricultural commodities were deficient that year.
那年的农业产品不足。
Thirty-nine of Nepal’s 75 districts are estimated to be food-deficient.
估计尼泊尔的75个区中有39个区粮食匮乏。
That excessive optimism signalled deficient demand for goods and Labour.
这种过度的乐观预示着，对商品和劳动力的需求会出现不足。
WHO estimates 2 billion people are at risk of becoming iodine deficient.
世卫组织估计有20亿人处在患碘缺乏症的危险中。
Not everyone has a good diet so some of those nutrients might be deficient.
不过，不是每个人都能吃得那么好，所以营养素多少会摄入不足。
"I hope, Marianne," continued Elinor, "you do not consider him as deficient in general taste."
“玛丽安，”埃丽诺继续说道，“我希望你不要认为他缺乏一般的鉴赏力。”
It makes more sense to me to study dietary supplements or vitamins in populations who are deficient.
对我来说更有意义的是研究膳食补剂或维生素在匮乏的人群中的作用。
Any such policing must influence the policies of both demand-deficient and excess-demand economies.
任何此类管治都必须既能影响需求不足经济体的政策，也能影响那些需求过剩经济体的政策。
Studies have shown that 4 percent of 6 month olds, and 12 percent of 12 month olds are iron deficient.
研究显示，百分之四的六个月儿童，和百分之十二的一岁儿童会出现铁缺乏。
He said the dorm, built 15 years ago, was structurally deficient, but he was reluctant to assign blame.
他说，这座宿舍是15年前盖的，结构有问题。可他不愿指责什么。
Maintaining that promise depends in part on potash, the only fertiliser in which China is seriously deficient.
要信守这个承诺，在一定程度上要靠钾肥，这是中国唯一一种严重短缺的化肥。
It's estimated that though many people take vitamins, they are still deficient in many important vitamin compounds.
据估计，很多人虽然服用维生素，但他们对许多重要维生素的摄入仍然不足。
They may start their lives vitamin D deficient, and then all they’re getting is vitamin D deficient breast milk.
他们生命一开始可能就是维生素D缺乏，接着他们食用的又全是维生素D缺乏的母乳。
The immune system is considered deficient when it can no longer fulfill its role of fighting infection and disease.
当免疫系统不能抵抗感染和疾病时，即被认为免疫缺陷。
Without proper research and medical advice, some people may eat the wrong kind of foods and become vitamin deficient.
如果缺乏正当的研究和医学上的建议，有人可能会因为偏食而导致营养不良。
Similarly, an abundant number's sum of factors is greater than the number, and a deficient number's sum of factors is less.
类似地，abundant数是其所有因子的和大于该数，而deficient数是其因子的和小于该数。
Similarly, an abundant number's sum of factors is greater than the number, and a deficient number's sum of factors is less.
类似地，abundant数是其所有因子的和大于该数，而deficient数是其因子的和小于该数。
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