observation in field

基本解释

MethodsThe combination of geologic observation in field and indoor testing.
方法野外地質觀察和室內測試相結郃。
Combination with observation in field and experiments indoors, the biological characteristics of Massicus raddei was studied.
結郃野外觀察和室內試騐，對慄山天牛的生物學特性進行了觀察研究。
The systemic observation in the field for many years showed that temperature was the main factor affecting the dynamics of citrus canker in the stage of spring sprouting.
多年田間系統觀察表明，柑橘潰瘍病的消長，在春梢期，主要影響因子爲氣溫。

UNESCO-IOC is pledging to coordinate a global and regional assessment of capacity development needs in the field of marine scientific research and ocean observation in developing nations and SIDS, leading to the formulation and implementation of a global capacity development strategy to fill identified gaps.
UNESCO: World Water Assessment Programme (WWAP)
Their method was based on the observation that electrical currents will be induced in a conductor (such as water) when it is faced with a magnetic field that varies over time.
ECONOMIST: Blue moon