Analyzing the main yield characters such as stalk length, diameter, effective stalks per hectare and cane yield using the correlation and path coefficient of 12 varieties of sugar-fruit cane.

对12个有望作为糖果兼用蔗品种推广的甘蔗品种的产量性状如株高、茎径、公顷有效茎、蔗茎产量等进行了相关及通径分析。

youdao

SKA's proponents are talking of scattering its sub-telescopes over an area of 1m square kilometres, which would create an effective diameter of about 1, 000km.

ECONOMIST: Radio telescopes

If the collecting area is in pieces, the effective diameter (the distance between the two most widely spaced pieces) can be several thousand kilometres.

ECONOMIST: Radio telescopes