R & D expenditure是什么意思

网络释义

用法例句

Production methods of zinc oxide and research progress thereof;

氧化锌生产方法及研究进展

Research and Application of Gravity Homogenization Silo of Fine Powder;

细粉料重力式均化料仓的研究与应用

Preservatives market in the world and advanced research on plant extracts;

国际防腐剂市场及植物提取物防腐剂研究进展

Study on Improving Strength of Light-burned Magnesium Pellet;

提高轻烧镁球强度的研究

Study on determination of melatonin in health products;

保健品中褪黑素测定方法的研究

Study on Flux Leakage Detection Method for Tubing/Casing of Various Sizes;

多规格油套管漏磁检测方法研究

Experimental Studies on Coal Desulphurization Using White Rot Fungi;

白腐菌煤炭脱硫实验研究

Studies on the Influence of Microwave upon the Properties and Compositions of the Edible Oil;

微波对食用油脂的性质和组成的影响研究

Investigation on Pollution Situation of Bottom Layer of Wenzhou Yangfushan Landfill Site;

温州杨府山垃圾填埋场底层土壤污染状况研究

Investigation Actuality and Market Prospect of 2-Ethylhexanoic Acid;

2-乙基己酸的研究现状与市场前景

An investigation on compliance behavior of coronary artery disease patients;

冠心病病人遵医行为研究

Kneading mechanism analysis of continuous mixer and its guide to aaintenance;

连续混捏机的混捏机理研究及其对生产维修的指导

Fungemia:A Retrospective Analysis of 62 Cases;

62例真菌菌血症回顾性研究

Investigation on the Accuracy of Quantative Analysis of Urinary Sediment;

离心法定量检测尿沉渣准确性研究