#这个单词还有这个意思！#
key (to) v. 使…适合于
The classes are keyed to the needs of advanced students. 这些课程是针对高年级学生的需要开设的。
…the vertical grid lines in the published version are irreg­ularly spaced, keyed to significant events. …纵向网格线不是均匀分布，而是对应于重大事件（的时间节点）。
—Edward R. Tufte, The Visual Display of Quantitative Information

TPPN13 PGTW 300628

A. SUPER TYPHOON 22W (GONI)

B. 30/0600Z

C. 16.35N

D. 131.59E

E. ONE/HMWRI8

F. T7.5/7.5/D3.5/24HRS STT: D0.5/03HRS

G. IR/EIR/VIS/MSI

H. REMARKS: 07A/PBO IRREG EYE/ANMTN. WMG EYE SURROUNDED BY CMG
YIELDS AN E# OF 6.5. ADDED 1.0 EYE ADJUSTMENT FOR CMG, TO YIELD A
DT OF 7.5. MET YIELDS 6.0. PT YIELDS 6.5. DBO DT.

I. ADDITIONAL POSITIONS: NONE

YOUNG

TPIO10 PGTW 021208
A. TROPICAL CYCLONE 01B (FANI)
B. 02/1145Z
C. 17.53N
D. 84.92E
E. ONE/MET8
F. T7.0/7.0/D1.5/24HRS STT: D0.5/03HRS
G. IR/EIR/VIS/MSI
H. REMARKS: 07A/PBO IRREG EYE/ANMTN. OW EYE SURROUNDED BY CMG
YIELDS AN E# OF 6.5. ADDED 0.5 EYE ADJUSTMENT FOR CMG, TO YIELD
A DT OF 7.0. MET AND PT AGREE. DBO DT.
I. ADDITIONAL POSITIONS:

02/0721Z 16.92N 84.80E MMHS

02/0726Z 17.02N 84.82E AMS2

MILAM