ground pine

Using quadratic orthogonal rotation design, with the aid of computer, this paper established a mathematical model of ground diameter for masson pine ( Pinus massoniana), which related to fertilizer nitrogen, fertilizer phosphorus, fertilizer potassium, density and seedling date.

本文采用二次正交旋转组合设计方法，建立了N、P、K、空间条件、时间条件五项技术措施与马尾松苗木地径关系的数学模型。

He sat on the ground which was littered with dry grass and pine cones.

他坐在地上,地上有些干草与松花.

The ground was thickly carpeted with pine needles.

地上落了厚厚的一层松针。

Ground pine thickly covered with bristly leaves; widely distributed in barren sandy or peaty moist coastal regions of eastern and southeastern United States.

长有毛状叶的石松；广泛分布于美国东部和东南部贫瘠的沙地或泥炭沼泽地区。

Practices of Strengthening Soft Ground by Pine Wood Piles in Major Box Culverts

松木桩加固地基在大型厢涵工程中的运用

Uncle Fraser taught me to write funny symbols on ground with a pine twig.

富叔叔用小松枝教我在地上画出好玩的符号.

The ground is scattered with pine needles and hay.

地上铺满了松针和干草.

The paper describes from four aspects, such as burial ground pine and cypress, gully pine, lonely pine and little pine, to further expounding the profound connotation of Chinese traditional pine and cypress culture.

本文从墓地松柏、涧松、孤松、小松等几个方面，对古典诗文中的松柏意象进行分析研究，进一步阐述了中国传统松柏文化的深刻内涵。