苹果公司在其网站上公布了对竞争机型的测试。但部分专家和竞争对手对苹果公司测试的有效性表示质疑。
But some experts and competitors questioned the validity of Apple's tests of competing products, which it posted on its website.
这些标识的有效性，主要是公司以专有的方式，通过更高的知名度和品牌认知度来寻求竞争优势。
The effectiveness of these signs, however, has mainly been studied in a proprietary manner by companies seeking a competitive edge through higher visibility and brand recognition.
通过砂培试验研究了标记基因对受体菌株的竞争结瘤能力和固氮有效性的影响。
In the nitrogen-free Pot experiment, the nodulating competitive ability of the parental and marked strains and their nitrogen fixing efficiency were tested.
人力资源具有价值有效性、稀缺性和难以模仿性，是企业构建竞争优势的核心资源。
HR is a core resource in establishing the advantage power of enterprise because of its value, rareness and difficult to imitate.
企业战略成熟度反映了企业战略意识及战略行为有效性的程度，体现了企业的持续性市场竞争能力。
Strategic maturity reflects the degree of strategic awareness and the effectiveness of strategic conducts of a firm, and it's also a good measurement of the sustainable competitiveness of a firm.
本文通过实例应用，验证了模糊聚类在分析矿业城市竞争力模型中的合理性和有效性。
Through practical application, verify the fuzzy clustering analysis of the competitiveness of mining cities in the model is reasonable and effective.
目的评估竞争P CR这种检测方法的临床有效性。
Objective To evaluate the clinical usefulness of competitive PCR.
通过“标尺竞争”可以提高激励强度，降低代理成本，增强激励的有效性。
The paper also indicates that yardstick competition can improve the intensity of motivation, reduce the agency cost, and strengthen the validity of motivation.
但是国家的过度干预造成国家自身制度供给的非有效性，扭曲了竞争规律。
However, the excessive interference from the state makes its institution invalid, the competitive law out of shape etc.
但是国家的过度干预造成国家自身制度供给的非有效性，扭曲了竞争规律。
However, the excessive interference from the state makes its institution invalid, the competitive law out of shape etc.
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