back-check例句
Capless medical backcheck valve
Capless medical backcheck valve
Background check for anomalous like-sign dimuon charge asymmetry
Will Employers Hire Ex-Offenders? Employer Checks, Background Checks, and Their Determinants
Firearm death rates and association with level of firearm purchase background check
National Instant Criminal Background Check Improvement Act: implications for persons with mental illness.
Gun Control: Improving the National Instant Criminal Background Check System
Feeding forward from summative assessment: the Essay Feedback Checklist as a learning tool
Online Collaborative Writing for ESL Learners Using Blogs and Feedback Checklists.
Background Checks for Firearm Transfers, 2009 - Statistical Tables
