Unfortunately it is based on a number of simplistic assumptions and hypotheses that do not stand the test of empirical verification . 不幸的是,这个理论是建筑在许多过分简单的假定和假设基础上的,它经不起经验的检验。
It has proved most useful to have a complete aerodynamic calibration of the turbine well in advance of the first test of a new engine . 已经证实,恰好在新发动机第一次试验之前就完成了涡轮的详细气动力校正是非常有用的。
The test of whether such traditions are alive or fossilized is whether they express themselves in action, and develop further under new circumstances . 对于这一类传统之是否尚有活力或者已经僵化的检验,在于是否表现于行动,并在新的环境下进一步发展。
The particular advantage of the compliance measurement method is that the loading fixtures used can be identical to those needed for fracture tests or crack-propagation tests of materials . 柔度测量法的特殊优点是可以使用材料断裂试验或裂纹扩展所用的加载夹具。