1·The contents of biogenic elements in China marginal sea sediments are related to their grain sizes, river transport, et al.
中国近海沉积物中生源要素的含量与其粒度、河流输入等诸多因素有关。
2·Phosphorus is an important biogenic element and phosphine has been confirmed to be widespread in the environment. The discovery of phosphine let people rediscover the phosphorus cycle.
磷是环境中一种重要的生源要素，自然环境中磷化氢的存在已经得到了证实，磷化氢的发现使人们重新认识并试图补充磷循环。
3·In terms of biogenic level, the quality of teachers or teaching training model point of view, there are still many shortcomings and deficiencies in China's legal education.
中国的法学教育无论从生源层次、教师素质还是教学方法培养模式来看，仍存在许多缺陷和不足。