您要查找的是不是:
- Yet the March 1979 burster, with an apparent rotation period of eight seconds, was spinning much more slowly than any radio pulsar then known. 但1979年3月那次的爆炸源,看起来却有八秒的周期,自转速率要比当时所知的任何波霎还要慢得多。
- Tibetan Weedrace, Yunnan Hulled Wheat, Sichuan White Wheat Complex and Xingjiang Rice Wheat are four special landraces of Triticum aestivum L. which were found, in China. 系统地论述了新疆稻麦、云南铁壳麦、西藏半野生小麦和四川白麦子类型等中国特有小麦种质资源的种类、地理分布,及其起源与演化系统。
- But the statistics analysis show the distrbution of corona activity of late type with color index and rotation period exist upper limit. 演化恒星的磁冕球活动在色指数和自转周期的分布上都显示出冕球磁活动存在上限的现象,并且对冕球磁活动上限的拟合表明在色指数B一V为1.;0附近和自转周期!
- An area near the rim of Shackleton crater, for example, is illuminated for more than 75 percent of the lunar rotation period. 例如夏克顿陨石坑边缘附近的一块区域,在月球自转周期中超过75%25的时间都受到日照。
- summer maize-winter wheat rotation system 夏玉米-冬小麦轮作制
- Nitrogen losses under simulated rainfall conditions in rice - wheat rotation of Taihu lake watershed plain 太湖流域麦田土壤氮素流失过程的模拟研究
- We export rice but import wheat. 我们出口稻米,但进口小麦。
- Status of Soil Water Permeability in the Rice and Wheat Rotation Area along Yellow River and Improvement Effect of Deep Digging and Fertilization on Soil Permeability 沿黄稻区土壤透水性状况及深松施肥的改善效果
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Measuring the body rotation period with data set 用数字式测定仪测定物体的扭转周期
- In addition to its geographical features, Mars' rotational period and seasonal cycles are likewise similar to those of Earth. 除了它的地理特征,火星旋转期和季节性周期,也同样的那些类似的地球。
- There have good linear relativity between stellar magnetic activity, rotational period and stellar age of MS stars, but this relativity of evolution stars has different action. 在第七章中,我们讨论了晚型恒星的自转周期的分布、恒星年龄对晚型恒星磁活动的影响以及晚型恒星的角动量演化。 晚型主序恒星的自转周期、磁活动与恒星年龄之间存在很好的线性相关性。
- We have had the biggest wheat crop ever this year. 今年我们的小麦收获量是有史以来最好的。
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- He is always confusing wheat with leek. 他对麦苗和韭菜总是辨别不清。
- Do you prefer to have rice or buns? 你愿意吃饭还是吃馒头。
- Measuring the rotation period and rotaion speed for magnetic disks 测量盘片的旋转周期和转速
- The hot weather is bringing the wheat on nicely. 因天气热小麦长势良好。
- After harvest we will have a mass of rice. 秋收后,我们将获得大量稻谷。
- Fields of wheat are undulating in the breeze. 在微风中起伏着一片麦浪。