This allowed the team to define, for each phase, a typical iteration in terms of a sequence or combination of high-level activities.

允许团队对每一个阶段，对按照一定顺序的有代表性的迭代或者高水平活动的联合进行详细说明。

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This system resource utilization evaluation phase of the method usually requires multiple attempts at getting the right combination of tests that will achieve the desired level of utilization.

方法中的系统资源利用率评价阶段通常需要多次尝试才能得到合适的测试组合，并得到期望水平的利用率。

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Phase III trials: These studies test a new drug, a new combination of drugs, or a new surgical procedure in comparison to the current standard.

三期试验：这些试验研究一个新药，一个新的药物合用或者一个新的手术方法与当前标准治疗的比较。

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Glyn Edwards, Antisoma's chief executive officer, said they hoped to complete Phase 1 testing the drug alone and start Phase 1b studies using it in combination with chemotherapy by the end of next year.

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In the first stage of a phase III study called CLL11, the drug in combination with chemotherapy significantly reduced the risk of disease worsening or death compared to chemotherapy alone in previously untreated patients.

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Many eye-vitamin formulations currently on the market are based on research conducted by the National Institutes of Health in a project called Age-Related Eye Disease Study, or AREDS. The first phase of the clinical trial, completed in 2001, found that a specific combination of vitamins C and E, along with beta-carotene and zinc, reduced the risk of age-related macular degeneration by as much as 25%.

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