provenance

Provenance records the ownership and process history of data objects .

数据起源是对数据对象的所有权和历史进程的记录。

Data provenance is important to data management , especially in scientific data and high-quality Web data management .

数据起源对于数据管理具有重要意义，尤其是科学数据和高质量的Web数据管理。

There 's no proof about the provenance of the painting .

这幅画的真伪无法鉴别。

All the furniture is of English provenance .

所有这些家具都是英国货。

He had no idea of its provenance .

他不知道其出处。

Kato was fully aware of the provenance of these treasures

加藤完全清楚这些珍宝的来源。

A Comparative Study on photosynthetic Characters of Different provenances of Chinese Fir

不同种源杉木光合性状的比较研究

Research on the Relation between the Cold Resistance and Provenance of Chinese Pine

油松抗寒性与种源关系的研究

Provenance analysis is useful to reasonable deployment of oil and gas exploration .

沉积物源的研究有助于油气勘探的部署。

The Geochemical Characteristics and Provenance of the Surface Sediment in South China Sea

南海表层沉积物地球化学特征及物源指示

A Study on Transpiration of Different Provenances in Chinese Fir

不同种源杉木蒸腾作用的初步研究

Establishing A System of Forest Management Provenance

关于建立我国林木种源管理制度的思考

The difference of the seeds size in different provenances was remarkable .

香椿种子大小存在显著的产地差异。

The results showed that the increment of each provenance is obvious difference .

结果表明：各种源花曲柳生长量差异极显著。

Growth of one year seedling of Taiwan pine provenance and some physiological characteristics

黄山松种源当年生苗生长及几种生理特点

The eight year result from a species and provenance test of Larch

承德县试点落叶松种和种源选择试验八年结果

Analysis on Growth of Young Pinus massoniana with Provenance Test

马尾松种源试验幼林期生长分析

Testing and Comparing the Impact of Chinese Fir Provenances on Basal Area Growth Models

杉木种源对断面积模型影响的检验和比较

The Difference Analysis of Seed Field Garden Germination in Paulownia from Different Provenances

不同种源泡桐种子场圃发芽率差异分析

Shoot Growth Behavior of Superior Masson Pine Provenances under Different Phosphorus Environment

不同磷营养环境下马尾松优良种源的抽梢行为

Genetic variation of geographical provenance of Pinus massoniana Review and analysis

马尾松地理种源遗传变异规律研究的综述与分析

According to its fiber length 5 provenances and 7 families were selected .

如按秃杉纤维长度来选择种源或家系，有5个种源和7个家系入选。

Stage report on provenance tests of Masson Pine in Zhejiang Province

浙江省马尾松种源试验阶段报告

Study on Selection of Acacia Species / Provenances in Water and Soil Serious Erosion Area

水土严重流失地区相思类树种选择的初步研究

The provenance might come from the northeast direction .

物源来自东北方向。

Study of Tissue Culture and Regeneration System Establishment on Two Different Provenances of Siberian Elm

两种不同种源地榆树的组织培养及再生体系研究

Quantitative Evaluation of Sediment Provenance on the North Area of the East China Sea Shelf

东海陆架北部长江、黄河沉积物影响范围的定量估算

A Study on the Peroxidase Isozyme of Different Provenance and Family of Chinese Fir

杉木不同种源和家系过氧化物酶同工酶研究初报

The selection of superior provenance families of Chinese fir

杉木优良种源家系选择

Many of the numbers I hear at business conferences have that provenance .

我在商务会议上听到的许多数字都是这么来的。