hit-or-miss

adj.

无计划的，无目的的，遇事现打主意的；

1. Long-term planning is always rather a hit-or-miss affair.
   凡是定长远的计画都难免出偏差。

HIT OR MISS?
HIT OR MISS?
Hit or Miss
Template matching based on a grayscale hit-or-miss transform.
Hit or Miss? The Effect of Assassinations on Institutions and War
Optimal mean-absolute-error hit-or-miss filters: morphological representation and estimation of the binary conditional expectation
Template matching based on a grayscale hit-or-miss transform
Clinical trial monitoring: hit or miss?
Grey-level hit-or-miss transforms—Part I: Unified theory
Hit or miss in phylogeographic analyses: the case of the cryptic NUMTs
A robust hit-or-miss transform for template matching applied to very noisy astronomical images
Grey-level hit-or-miss transforms—part II: Application to angiographic image processing
Shape recognition method using morphological hit-or-miss transform