0 twice as much, or very much more -- 雙倍地，成倍地
Neither my brother nor my sister could come to the wedding, which was doubly disappointing. 我哥哥姐姐都不能來參加婚禮，這讓我倍感失望。
Experiments with doubly driven film flow, in which gravitational and surface tension gradient stresses are competing, have uncovered some new phenomena.
It follows from (1.5) that any components of the motion which are doubly periodic, multiply periodic, or chaotic, are precisely zero, and not just small.
The doubly separated flow is still unstable, however.
The doubly separated flow is never stable, as observed in diffusers.
This monotonicity ceases to hold for doubly-connected regions.
This is doubly true when it comes to utterances that convey information.
Equity considerations seem to call for redistribution from everyone else to the doubly disadvantaged, viz. the high-risk, low-income individuals.
Recombinational mapping is possible only in females doubly heterozygous for complementing t haplotypes.
