deteriorative是什么意思

用法例句

The ultrastructure changes of endosperm during degeneration process and its function to development of embryo in watermelon;

西瓜胚乳衰退过程中的超微结构变化及其对胚发育的作用

Ultracytochemical Localization of Acid Phosphatase in Nucellar Cells of Wheat During Degeneration ;

小麦珠心细胞衰退过程酸性磷酸酶的超微细胞化学定位(英文)

Combining with the practical situations, this paper discusses the reasons of degeneration of Salix psammophi.

然而由于种种原因,现有沙柳林的衰退日益严重。

Fading Behaviors of the Structure Refinement Effect of Electrolytic Low-titanium Aluminum Alloys Containing Boron;

含硼电解低钛铝合金组织细化效果的衰退行为研究

Grain Refinement and Fading Behavior of Directly Electrolytic Aluminum Alloy Containing Low Titanium;

电解生产低钛铝合金的晶粒细化及衰退行为

A Study on Fading in Mechanical Property of Strondium modified AlSi7Mg0.3 Alloy;

锶变质AlSi7Mg0.3合金力学性能衰退的研究

Effects of ectomycorrhizal fungi on alleviating the decline of Pinus sylvestris var. mongolica plantations on Keerqin sandy land.;

外生菌根真菌对科尔沁沙地樟子松人工林衰退的影响

Relationship between Forest Disease and Insect Pest and Decline of Spruce Forests on Low-lying Land in Eastern Mountain Area of Heilongjiang Province;

黑龙江省东部山区谷地云冷杉林衰退与病虫害的相关性

Correlation between Habitat and Decline Mechanism of Spruce-fir Forests in Low-lying Land in the Eastern Mountain Area of Heilongjiang Province;

黑龙江省东部山区谷地云冷杉林衰退与其生境条件的相关性

Study on declination of seed vitality of Caragana microphylla;

柠条种子生活力衰退的研究

The paper discussed the main reasons of declination of aquatic vegetation including the eutrophication, the excessi.

认为造成东湖水生植被衰退的主要原因包括富营养化作用加剧、过度放养草食性鱼类和人类活动的影响。

The declination of coastal resorts is one of the hot academic topics of international tourism studies.

海滨度假地衰退是国际旅游研究关注的热点之一,然而现有研究形成的两个理论范式———生命周期理论和转型理论都无法完满地解释中国海滨度假地衰退现象。