可靠性应重新定义为一个关于应用复杂度，测试有效性和操作环境的函数。
Software reliability should be redefined as a function of application complexity, test effectiveness, and operating environment.
此法作业简单，容易操作，是防止三类苗、提高玉米田间植株整齐度、降低小穗株率的有效措施。
The procedure was simple and available to operate, and prevented low_vigor seedlings from emerging, and improved field plant tidiness of maize, and reduced the rate of smaller ear of maize.
对一类遗传程序设计问题，提出了简单等长的分布式染色体，取代复杂变长的树结构染色体，使演化算子操作更方便，个体复杂度得到有效控制。
One kind of simple and constant length distributed chromosome is proposed to substitute the complex and variable length tree structure chromosome for a particular kind of genetic programming problem.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
结果此法操作简便、灵敏度高。结论用分光光度法测定糖泰胶囊中多糖的含量，能有效控制糖泰胶囊的内在质量。
Results This method is convenient and sensitive Conclusion it is an efficient method to use the spectrophotometry to control the quality of Tangtai Capsules.
可用性测试跟完全没有干扰的现场观察不同，一般会在人为安排好的环境下，让使用者操作一系列任务，然后评估有效性（任务完成率）、效率（完成时间）、满意度（自我评估问卷）。
The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use.
本实用新型操作方便快捷，省时省力，并能够有效防止钢水的二次污染，保证钢水的高洁净度。
The utility model is easy and fast to operate and saves time and effort, which can effectively prevent secondary pollution of molten steel to ensure the high cleanness of the molten steel.
本实用新型操作方便快捷，省时省力，并能够有效防止钢水的二次污染，保证钢水的高洁净度。
The utility model is easy and fast to operate and saves time and effort, which can effectively prevent secondary pollution of molten steel to ensure the high cleanness of the molten steel.
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