侵蚀

Be sure terraced areas are wide and deep enough and that the forward edge is protected from erosion.

要确保梯田领域是广泛深入不够的，正向边缘保护，免受侵蚀。

There are lots of testacean aquatics attached to the underwater concrete surfaces of the spiral casing and draft tube in Shaxikou hydropower station.

沙溪口水电站水下蜗壳及尾水管混凝土表面附着较多的贝壳类水生物，水下混凝土侵蚀严重，影响水工建筑物的安全运行。

Most of this layer was lost to erosion during the last ice age, 15,000 years ago.

大多数的这层在冰河时代（15，000年前）的晚期侵蚀中失去了。

Widening of the cricothyroid space in 15 cases (68.2%); 4. thyroid cartilage destruction in 12 cases (54.5%); 5. lymph node metastasis in 16 cases (72.7%). Mass effect from bulky pyriform sinus tumor distorted the adjacent normal structures, simulating tumor involvement in some instances and causing 8 false positive CT findings in our study.

综合主要的CT表徵包括：(1)扩展到喉外软组织有16例(72.7%)；(2)蔓延至会厌前空间(pre-epiglottic space)有12例(54.5%)，但只有3例越过中线；(3)环状甲状软骨空间变宽有15例(68.2%)；(4)甲状软骨被侵蚀破坏有12例(54.5%)和(5)淋巴结的转移有16例(72.7%)。

Tillage erosion is a new field of soil erosion research.

耕作侵蚀是国际上新近开展的一个研究领域。

Secondly, ephemeral gully erosion in the spring is a little serverer than that in the summer, and soil loss in the spring is 56% of annual value of ephemeral gully ersoion which is 1.8 times of soil loss tolerance in the region.

在主要影响因素上，春季浅沟受冻融、融雪影响显著，在表层土壤解冻、地表裸露和季节性冻土层存在的条件下，融雪及降雨容易造成强烈的浅沟侵蚀；夏季浅沟由暴雨造成。

In the absence of successful efforts to stem the loss of topsoil, the social effeets of erosion

在控制表土流失的努力缺乏成效的情况下，土壤侵蚀的社会影响将可能首先出现在非洲。

The aim was to provide the basis for applying 21 tracer method to detect the soil erosion rate better.

［目的］为更好地使用210Pb示踪法测定土壤侵蚀速率提供依据。

Therefore,the change trend of the silt content in travertine shows the change trend of soil erosion in valley.

因此石灰华中泥沙含量的变化趋势表征流域内土壤侵蚀的变化趋势。

The change trend of silt content in travertine showed the change trend of soil erosion in valley near 70 years.

这主要是因为1991年贵阳市人口迅速增加和城市化发展加剧人类活动以及降雨侵蚀力变化造成的。2。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。