然后根据里兹法，得到结构精确综合的频域运动方程与频响函数；
The exact synthesis equation of motion in frequency domain and frequency-response functions for structural vibration were obtained according to the Ritz procedure.
NIST的科学家们还证明了最精确的光频段综合，通过19位数字的重复可以产生各种特定的颜色。
NIST scientists also have demonstrated the most precise synthesis ever of optical frequencies, generating specific colors with a reproducibility of 19 digits.
UML 模型更加精确和形式化，但仍然是综合性的和可阅读的，因为其主要目的是作为小组成员之间的交流工具。
The UML model is more refined and formal, but it remains synthetic and readable because it is intended primarily as a communication device between the team members.
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