Cost-effective是什么意思

网络释义

用法例句

In this paper a class of food-limited population models is studied.

研究了一类带有时滞的食物有限种群模型,得到了几个判定振动和非振动的条件。

Distribution of biologically effective solar ultraviolet radiation intensity on the ground in China;

到达中国陆面的生物有效紫外线辐射强度分布

The idea of autonomous technology originated from both animism and Karl Marx s thought about technology dissimilation that was involved in his idea about labor dissimilation.

技术自主论最初的思想源头可以追溯到万物有灵论。

The belief on soul is the core of animism,and also the foundation of this theory.

灵魂信仰是万物有灵的核心 ,也是其学说构成的基础。

Effects of potash fertilizer on phytoavailability of lead;

钾肥对铅的植物有效性的影响

Transformation and phytoavailability of lead and znic forms in rhizospheric soil of common crops in north of China;

北方常见农作物根际土壤中铅、锌的形态转化及其植物有效性

A field pot experiment was conducted to study the influence of potassium fertilizer(K_2SO_4) on the phytoavailability of Cd in soils with single stress of Cd and combined stress of Cd and Pb.

采用室外盆栽模拟试验,研究了在镉单一污染及镉、铅复合污染的土壤中,钾肥(K2SO4)的施用及其施用水平对镉的植物有效性的影响。

Distribution of Different Heavy Metal Forms in Soil and Their Bio-availability;

土壤中重金属污染元素的形态分布及其生物有效性

Effects of Acidification and Organic Matter Accumulation on Lead Bio-availability in Tea Garden Soils;

酸化和有机质积累对茶园土壤铅生物有效性的影响

Bio-availability of Different Forms of Soil Organic Phosphorus;

土壤有机磷形态的生物有效性研究