Although back at ECLO Keith Cressman has satellites, computers and mathematical models at his disposal, the weak link in the chain has been the time it takes to get good information from the field.

尽管基思·克雷斯曼在ECLO可以使用卫星、电脑和数学模式，但是整个工作链中最薄弱的环节是用于获取有益实地信息的时间。

youdao

Instead a utilitarian mix-and-match culture pervades the field given the fact that mathematics education researchers have at their disposal a range of theories and models of learning and teaching.

然而一种实用主义的“混搭”文化遍及这个领域，说明数学教育研究者还是支配了许多学习和教授方面的理论和模型。

youdao

The extraction, production and disposal all happen outside our field of vision.

至于原料开采、产品制造和废弃处理等所有的过程，我们全都看不到。

youdao

"In England, every playing field disposal has to go in front of the Education Secretary, " she said.

BBC: Public meeting sign with Ponciau school in the background

Similarly, the full-frame sensor enabled low-light captures that would have yielded a fair amount of noise if shot on the RX100, and much of the time, I did appreciate having such a shallow depth of field at my disposal.

ENGADGET: IRL: Sony's Cyber-shot DSC-RX100 and the full-frame RX1

So it's time to take the responsibility for reporting bowlers out of the hands of the on-field umpires, who have quite enough on their plate already and simply don't have the tools at their disposal to make a decision that could seriously affect someone's career.

WSJ: Cricket's 'Chucking' Challenge