查询词典 have a snowball fight

I have always liked snow, snowing like the day after the snow like the fresh air, like the front of white-capped Tian, deep breath call the kind of nice, like the sun, the snow reflects the gorgeous luster, like the the snow, snowball, snowman, snowball fight of the chase playing like a walk in the snow, at the foot of the noiselessly issued Lozhikazhi, like the snow left behind a string of footprints, preferring to leave the snow in my heart childhood laughter, with Kula's memory ......

我从小就喜欢雪，喜欢飘雪的日子，喜欢那雪后清新的空气，喜欢对着白皑皑的天宇，深呼一口气的那种惬意，喜欢阳光下，白雪折射出的斑斓光彩，喜欢在雪地上，滚雪球、堆雪人、打雪仗的追逐嬉戏，喜欢在雪地上的散步，脚下发出的咯吱咯吱的声息，喜欢那身后雪地上留下的一串串足迹，更喜欢雪在我心底留下的童年欢笑、带着苦辣的记忆

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。