无影响的

Plot methods will be affected by quadrat size and plot shape, and plotless methods have boundary effects and statistical problems.

但样地法容易受到取样大小和样地形状的影响，而无样地法常存在边缘效应和统计上的困难。

The study's primary end point was the incidence of hip fracture. At the end of the trial, hip fractures had occurred in 9 patients in the placebo group vs 3 in the risedronate group.The authors report that there was no difference in the fall rate between the 2 groups, suggesting "risedronate may prevent hip fractures despite frequent falls."

该试验的主要终点为髋骨骨折发生率，在试验结束时，安慰剂组有9位病患发生髋骨骨折，而服用risedronate病患则有3位发生；作者表示，这两组病患之间发生跌倒的风险并无统计上显著差异，暗示risedronate可能预防髋骨骨折，但对於跌倒风险没有影响。

Based on the analysis on the relationship of the positive and the negative sequence impedance, also the positive and negative fault component current under simple and duplicate fault conditions, a cross-country fault identifier is proposed in this paper.

同杆并架输电线路故障的主要特点是有跨线故障，而当系统发生跨线故障时如果没有正确识别出来，那么保护就很有可能无选择性同时切除两条线路，从而对系统的安全稳定运行造成恶劣影响。

objective: to explore the clinical characteristics, survival and prognosis of breast cancer patients under 30 years.

目的： 探讨30岁以下乳腺癌的临床特点、无瘤生存率和影响预后的因素。

The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下不同浓度砷对蜈蚣草的孢子萌发、假根和原叶体生长发育的影响。

Moreover, the effect of familial transmission of parental suicidality appears to be non-specific on children's psychopathology.

而本研究也另外显示，自杀倾向的家族传递对子女精神疾患的影响并无专一性。

In power system, the voltage pulsation and deficiency or surplus of reactive power will have a great effect on the quality of electric power supply.

在电力系统中，电压的波动和无功功率的过剩和不足会严重影响供电质量。

Conversely the reducing agent dithiothreitol (10 mM) had no obvious effect on Ca(2+) release.

相反的，还原剂二硫代苏糖醇（10毫摩尔）对钙离子的释放则并无明显影响。

In the course of the lead free reflow soldering,lead and Lead free of reflow soldering affect the quality of product.

在再流焊无铅化过程中，再流焊的有铅要素与无铅要素的兼容性直接影响产品质量。

RRR-α-tocopheryl succinate , a derivative of natural vitamin E, is a potent inhibitor of various cancer cell types in vitro and in vivo.

维生素E琥珀酸酯是天然维生素E的衍生物，因其能够抑制多种肿瘤细胞的生长、对正常细胞无不良影响而倍受关注。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐