查询词典 lack of

Study limitations include attrition rate of 20% at one month and 36% at six months; study completion beyond the originally intended six-month timeframe in 75% of participants; reliance on self-reported behaviors; exclusion of potential participants if they lived in a foster-care or group home; lack of generalizability beyond urban, predominantly minority, low-income young women and to women who are not sexually active; unknown impact of repeated interviews on sexual or contraceptive behaviors; and lack of statistical power to detect differences in secondary outcomes.

这项调查原本预计75%样本数可延续观察六个月，然而，此研究受限因素包括一个月期的耗损率为20%，六个月期的耗损率为36%。这些限制来自于自发性主动陈述行为的难处、排除被领养的样本群、都会区人口流动性及整体性不佳、少数民族为主、多为低收入青少女、另有些性行为并不频繁、以及其它未知的相关因素；另外，也缺乏有力的统计方式，以进一步判读不同族群间的差异。

Study limitations include attrition rate of 20% at one month and 36% at six months; study completion beyond the originally intended six-month timeframe in 75% of participants; reliance on self-reported behaviors; exclusion of potential participants if they lived in a foster-care or group home; lack of generalizability beyond urban, predominantly minority, low-income young women and to women who are not sexually active; unknown impact of repeated interviews on sexual or contraceptive behaviors; and lack of statistical power to detect differences in secondary outcomes.

这项调查原本预计75%样本数可延续观察六个月，然而，此研究受限因素包括一个月期的耗损率为20%，六个月期的耗损率为36%。这些限制来自於自发性主动陈述行为的难处、排除被领养的样本群、都会区人口流动性及整体性不佳、少数民族为主、多为低收入青少女、另有些性行为并不频繁、以及其他未知的相关因素；另外，也缺乏有力的统计方式，以进一步判读不同族群间的差异。

What is more, although there has been a lack of spending on research, the real problem has been a lack of successful commercialisation.

更重要的是，虽然一直缺乏研发支出，但真正的问题是一直没有成功的商业化。

Deepseated reasons were inadequate design of the system construction, Lack of awareness of policy makers and decisionmaking, Lack of assessment mechanisms, Inadequate of technology using and implementation controlling and complexity of storage systems construction.

究其原因是由于建设制度设计不足、决策者认知与决策不足、评估机制不足、技术运用与实施操控不足、存储系统建设复杂性等原因形成的。

BackgroundAnemia is one of the most familiar microelements-deficient diseases. Its occurrence is mainly because the lack of haematogenous material in the diet and the anemia aroused by the lack of microelement iron is generally called iron deficiency anemia.

研究背景：贫血是最常见的微量营养素缺乏病之一，发病的主要原因是由于饮食中缺乏造血的原料，其中由于缺乏微量元素铁所引起的贫血称为—缺铁性贫血(Iron deficiency anemia，IDA)。

There's a lack of logs and a lack of sawmills.

原木和锯木厂都缺乏。

Their underperformance is principally attributable to their lack of discipline, and that inevitably leads to a lack of confidence.

他们的不佳表现，主要的原因是缺乏纪律，而这不可避免地会造成信心不足。

There are two issues in counseling groups related to the stages of group process. First, much of the existing literature on conceptualization of group stages is borrowed from theory or research of psychotherapy group and T-group; second, the lack of experimental evidence or the lack of theoretical basis for conceptualizing the stage development of a counseling group.

现有文献在谘商团体的阶段论有两个待解决的问题：其一，多数有关团体阶段划分借用心理治疗团体或T－团体的理论或资料，由於这些团体性质与目标不同，是否可以移用值得再思；其二，有些阶段划分凭据实务经验，既无实证研究证据，也缺乏阶段发展的理论依据。

One main reason for China's theoretical research in this area less; Second, the data accumulated lack of time; The third is the basis of lack of practice; Fourth, there is no international experience can learn from.

重要原因之一中国的理论研究在这方面的不足，二是数据积累时间不够；三是缺乏根据的做法；第四，没有国际经验可以借鉴。

International Phonetic Alphabet to master pronunciation of English not good, hard American accent or English accent. 3 unfamiliar grammar structures, do not know how the combination of the laws of English sentences. 4 a lack of listening skills and do not know how to listen to only the most effective. 5 the lack of positive and effective English thinking, do not understand the use of Chinese thinking on the English-speaking听说读写译especially great to hear a negative transfer effect. 6 psychological barriers exist, do not know the owner of that happy state of good full confidence and strong desire to make listening better listening comprehension.

对英语国际音标发音掌握不好，分不清美国口音还是英国口音。3语法结构不熟，不懂得英语句子的组合规律。4听力技巧缺乏，不懂的如何听才最有效。5缺乏积极有效的英语思维，不懂的运用汉语思维会对英语的听说读写译特别是听的产生很大的负迁移的效应。6存在心理障碍，不懂的拥有愉快的心情，良好的状态充分的自信和强烈的听音欲望会使听力理解的效果更好。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。