Studies matching groups on demographic covariates alone are critiqued for lacking baseline achievement variables (Farran and Lipsey 2015).
However, the study on radial well fracturing is still at the preliminary stage, the fracture morphology and propagation law of radial well fracturing still remain unclear, especially lacking visual achievement, which limits the development and application of radial well fracturing.
Sayed el-Khatib, one of the architects of the peace treaty and a leading figure within the north's dominant political party, the National Congress Party, denied that the north was torpedoing the relationship and pointed to what he called the southern leaders' "lack of achievement".
Along with wearing the yellow jersey at the Tour de France, an Olympic gold medal is now the only major achievement lacking from his record.
Over all, the governor emerged from weeks of intensive negotiations with as many wins as losses, but arguably lacking a signature achievement.
Lacking in academic achievement themselves, Latino immigrant parents often approach formal education with confusion and anxiety.
After Hillside, Lewis had won a scholarship to Eton, and Val had done likewise to Rugby, but John, lacking their academic achievement, did not follow them.
During Mr. Kaine's speech, the Trump campaign sent out emails in rapid succession, citing his "job-crushing" record in Virginia, claiming he lacked any achievements as governor and deriding him as a career politician.
Mr Abrams says that Mrs Clinton lacks tangible achievements as secretary of state, with one of her proudest boasts—her work to nudge Myanmar towards democracy— "going in the wrong direction".
Lacking any genuine governing achievements, Hamas retains legitimacy because of its ability to rain down rockets on Israeli towns and conduct terror raids through its tunnel system.
For Mr. Koizumi, whose 17 months in office have been lacking in major domestic achievements, his North Korea trip looms as a critical gamble on foreign policy that could solidify or break his hold on office.
