研究星团的天文学家已经注意到质量一定的行星(通过追踪表面阴暗冷却斑点来测量),其旋转速度随着其星龄呈现可预测性的变化。
Astronomers who study star clusters have noticed that the speed at which a star of a given mass spins (measured by tracking cool, dark spots on the surface) also seems to vary predictably with age.
如何相对于同步提供可伸缩性优势,以及构造通过伪随机数生成器模拟旋转骰子的简单、高竞争示例基准。
Class offered a scalability benefit over synchronization, and constructed a simple, high-contention example benchmark that simulated rolling dice with a pseudorandom number generator.
实验数据表明,该算法可抗任意角度旋转、匹配速度较快、正确率较高,而且对噪声小的尺度变化具有良好的鲁棒性。
The experimental, results show that the algorithm can against arbitrary rotation with a rather high speed and a rather high matching rate, and it is robust to scale transform with low noise.
设计的水平旋转式送苗机构和装配式苗杯操作方便、效率高,可提高对不同规格钵苗的适应性。
The rotating horizontally feeding seedling mechanism with combined seedling cup is easy to operate, and promise higher productivity and available for transplanting different size seedlings.
不作旋转波近似, 破缺可积性的因素,主要来自虚光场项。
In NRWA, the main factor which will deslroy the non classical effects is the virtual photon term.
所述电池可旋转的装设于电池安装部内,其包括一主体部、二铰接部及二电性连接部。
The battery can be rotationally mounted inside the battery mounting part and comprises a main body part, two hinge parts and two electrical connection parts.
此外,减小加工工具尺寸并提高旋转速度也可明显提高搅拌区显微观组织的均匀性。
Furthermore, reducing the tool size and increasing the rotation rate resulted in a significant improvement...
此外,减小加工工具尺寸并提高旋转速度也可明显提高搅拌区显微观组织的均匀性。
Furthermore, reducing the tool size and increasing the rotation rate resulted in a significant improvement...
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